Home / 649,636,232.40-974,454,348.60-626,677,981.20

Finding the Fourth Proportional to 649,636,232.40, 974,454,348.60 and 626,677,981.20

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Solution

The fourth proportional to 649,636,232.40, 974,454,348.60 and 626,677,981.20 is: 940,016,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,636,232.40 : 974,454,348.60 = 626,677,981.20 : x
  2. Step 2: Convert to fraction form
    649,636,232.40/974,454,348.60 = 626,677,981.20/x
  3. Step 3: Cross multiply
    649,636,232.40x = 974,454,348.60 × 626,677,981.20
  4. Step 4: Simplify right side
    649,636,232.40x = 610,669,083,952,209,152
  5. Step 5: Solve for x
    x = 610,669,083,952,209,152/649,636,232.40
  6. Step 6: Final answer
    x = 940,016,971.80

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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.