Home / 1,648,803,918.40-2,473,205,877.60-558,286,986.40

Finding the Fourth Proportional to 1,648,803,918.40, 2,473,205,877.60 and 558,286,986.40

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Solution

The fourth proportional to 1,648,803,918.40, 2,473,205,877.60 and 558,286,986.40 is: 837,430,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,648,803,918.40 : 2,473,205,877.60 = 558,286,986.40 : x
  2. Step 2: Convert to fraction form
    1,648,803,918.40/2,473,205,877.60 = 558,286,986.40/x
  3. Step 3: Cross multiply
    1,648,803,918.40x = 2,473,205,877.60 × 558,286,986.40
  4. Step 4: Simplify right side
    1,648,803,918.40x = 1,380,758,656,152,071,168
  5. Step 5: Solve for x
    x = 1,380,758,656,152,071,168/1,648,803,918.40
  6. Step 6: Final answer
    x = 837,430,479.60

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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.