Home / 668,227,988.10-922,140,752.49-370,852,959.45

Finding the Fourth Proportional to 668,227,988.10, 922,140,752.49 and 370,852,959.45

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Solution

The fourth proportional to 668,227,988.10, 922,140,752.49 and 370,852,959.45 is: 511,769,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,227,988.10 : 922,140,752.49 = 370,852,959.45 : x
  2. Step 2: Convert to fraction form
    668,227,988.10/922,140,752.49 = 370,852,959.45/x
  3. Step 3: Cross multiply
    668,227,988.10x = 922,140,752.49 × 370,852,959.45
  4. Step 4: Simplify right side
    668,227,988.10x = 341,978,627,090,366,464
  5. Step 5: Solve for x
    x = 341,978,627,090,366,464/668,227,988.10
  6. Step 6: Final answer
    x = 511,769,385.87

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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.