Home / 724,617,999.60-1,086,926,999.40-612,377,660.40

Finding the Fourth Proportional to 724,617,999.60, 1,086,926,999.40 and 612,377,660.40

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Solution

The fourth proportional to 724,617,999.60, 1,086,926,999.40 and 612,377,660.40 is: 918,566,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,617,999.60 : 1,086,926,999.40 = 612,377,660.40 : x
  2. Step 2: Convert to fraction form
    724,617,999.60/1,086,926,999.40 = 612,377,660.40/x
  3. Step 3: Cross multiply
    724,617,999.60x = 1,086,926,999.40 × 612,377,660.40
  4. Step 4: Simplify right side
    724,617,999.60x = 665,609,812,918,164,224
  5. Step 5: Solve for x
    x = 665,609,812,918,164,224/724,617,999.60
  6. Step 6: Final answer
    x = 918,566,490.60

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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.