Home / 591,398,831.83-816,381,681.56-368,490,645.94

Finding the Fourth Proportional to 591,398,831.83, 816,381,681.56 and 368,490,645.94

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Solution

The fourth proportional to 591,398,831.83, 816,381,681.56 and 368,490,645.94 is: 508,673,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,398,831.83 : 816,381,681.56 = 368,490,645.94 : x
  2. Step 2: Convert to fraction form
    591,398,831.83/816,381,681.56 = 368,490,645.94/x
  3. Step 3: Cross multiply
    591,398,831.83x = 816,381,681.56 × 368,490,645.94
  4. Step 4: Simplify right side
    591,398,831.83x = 300,829,013,171,627,776
  5. Step 5: Solve for x
    x = 300,829,013,171,627,776/591,398,831.83
  6. Step 6: Final answer
    x = 508,673,668.23

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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.