Home / 714,316,806.44-985,534,800.28-412,792,269.30

Finding the Fourth Proportional to 714,316,806.44, 985,534,800.28 and 412,792,269.30

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Solution

The fourth proportional to 714,316,806.44, 985,534,800.28 and 412,792,269.30 is: 569,524,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,316,806.44 : 985,534,800.28 = 412,792,269.30 : x
  2. Step 2: Convert to fraction form
    714,316,806.44/985,534,800.28 = 412,792,269.30/x
  3. Step 3: Cross multiply
    714,316,806.44x = 985,534,800.28 × 412,792,269.30
  4. Step 4: Simplify right side
    714,316,806.44x = 406,821,146,680,671,552
  5. Step 5: Solve for x
    x = 406,821,146,680,671,552/714,316,806.44
  6. Step 6: Final answer
    x = 569,524,814.50

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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.