Home / 1,327,105,333.20-1,990,657,999.80-406,974,363.60

Finding the Fourth Proportional to 1,327,105,333.20, 1,990,657,999.80 and 406,974,363.60

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Solution

The fourth proportional to 1,327,105,333.20, 1,990,657,999.80 and 406,974,363.60 is: 610,461,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,105,333.20 : 1,990,657,999.80 = 406,974,363.60 : x
  2. Step 2: Convert to fraction form
    1,327,105,333.20/1,990,657,999.80 = 406,974,363.60/x
  3. Step 3: Cross multiply
    1,327,105,333.20x = 1,990,657,999.80 × 406,974,363.60
  4. Step 4: Simplify right side
    1,327,105,333.20x = 810,146,772,613,853,952
  5. Step 5: Solve for x
    x = 810,146,772,613,853,952/1,327,105,333.20
  6. Step 6: Final answer
    x = 610,461,545.40

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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.