Home / 777,358,901.62-1,072,755,365.04-424,936,328.46

Finding the Fourth Proportional to 777,358,901.62, 1,072,755,365.04 and 424,936,328.46

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Solution

The fourth proportional to 777,358,901.62, 1,072,755,365.04 and 424,936,328.46 is: 586,412,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,358,901.62 : 1,072,755,365.04 = 424,936,328.46 : x
  2. Step 2: Convert to fraction form
    777,358,901.62/1,072,755,365.04 = 424,936,328.46/x
  3. Step 3: Cross multiply
    777,358,901.62x = 1,072,755,365.04 × 424,936,328.46
  4. Step 4: Simplify right side
    777,358,901.62x = 455,852,726,155,864,576
  5. Step 5: Solve for x
    x = 455,852,726,155,864,576/777,358,901.62
  6. Step 6: Final answer
    x = 586,412,177.45

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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.