Home / 1,159,888,915.60-1,739,833,373.40-393,984,019.60

Finding the Fourth Proportional to 1,159,888,915.60, 1,739,833,373.40 and 393,984,019.60

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Solution

The fourth proportional to 1,159,888,915.60, 1,739,833,373.40 and 393,984,019.60 is: 590,976,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,888,915.60 : 1,739,833,373.40 = 393,984,019.60 : x
  2. Step 2: Convert to fraction form
    1,159,888,915.60/1,739,833,373.40 = 393,984,019.60/x
  3. Step 3: Cross multiply
    1,159,888,915.60x = 1,739,833,373.40 × 393,984,019.60
  4. Step 4: Simplify right side
    1,159,888,915.60x = 685,466,545,886,359,808
  5. Step 5: Solve for x
    x = 685,466,545,886,359,808/1,159,888,915.60
  6. Step 6: Final answer
    x = 590,976,029.40

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Half scale
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Double scale
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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.