Home / 1,314,144,059.60-1,971,216,089.40-669,171,515.60

Finding the Fourth Proportional to 1,314,144,059.60, 1,971,216,089.40 and 669,171,515.60

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Solution

The fourth proportional to 1,314,144,059.60, 1,971,216,089.40 and 669,171,515.60 is: 1,003,757,273.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,144,059.60 : 1,971,216,089.40 = 669,171,515.60 : x
  2. Step 2: Convert to fraction form
    1,314,144,059.60/1,971,216,089.40 = 669,171,515.60/x
  3. Step 3: Cross multiply
    1,314,144,059.60x = 1,971,216,089.40 × 669,171,515.60
  4. Step 4: Simplify right side
    1,314,144,059.60x = 1,319,081,658,118,903,296
  5. Step 5: Solve for x
    x = 1,319,081,658,118,903,296/1,314,144,059.60
  6. Step 6: Final answer
    x = 1,003,757,273.40

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Half scale
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Double scale
Find fourth proportional to 1,314,144,060.60, 1,971,216,090.90 and 669,171,516.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.