Home / 714,167,604.48-985,696,286.16-412,765,718.40

Finding the Fourth Proportional to 714,167,604.48, 985,696,286.16 and 412,765,718.40

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Solution

The fourth proportional to 714,167,604.48, 985,696,286.16 and 412,765,718.40 is: 569,700,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,167,604.48 : 985,696,286.16 = 412,765,718.40 : x
  2. Step 2: Convert to fraction form
    714,167,604.48/985,696,286.16 = 412,765,718.40/x
  3. Step 3: Cross multiply
    714,167,604.48x = 985,696,286.16 × 412,765,718.40
  4. Step 4: Simplify right side
    714,167,604.48x = 406,861,635,681,044,352
  5. Step 5: Solve for x
    x = 406,861,635,681,044,352/714,167,604.48
  6. Step 6: Final answer
    x = 569,700,492.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.