Home / 696,387,246.40-1,044,580,869.60-492,313,902.40

Finding the Fourth Proportional to 696,387,246.40, 1,044,580,869.60 and 492,313,902.40

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Solution

The fourth proportional to 696,387,246.40, 1,044,580,869.60 and 492,313,902.40 is: 738,470,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,387,246.40 : 1,044,580,869.60 = 492,313,902.40 : x
  2. Step 2: Convert to fraction form
    696,387,246.40/1,044,580,869.60 = 492,313,902.40/x
  3. Step 3: Cross multiply
    696,387,246.40x = 1,044,580,869.60 × 492,313,902.40
  4. Step 4: Simplify right side
    696,387,246.40x = 514,261,684,285,161,536
  5. Step 5: Solve for x
    x = 514,261,684,285,161,536/696,387,246.40
  6. Step 6: Final answer
    x = 738,470,853.60

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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.