Home / 1,278,726,510.60-1,917,249,957.90-501,904,110.60

Finding the Fourth Proportional to 1,278,726,510.60, 1,917,249,957.90 and 501,904,110.60

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Solution

The fourth proportional to 1,278,726,510.60, 1,917,249,957.90 and 501,904,110.60 is: 752,526,538.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,726,510.60 : 1,917,249,957.90 = 501,904,110.60 : x
  2. Step 2: Convert to fraction form
    1,278,726,510.60/1,917,249,957.90 = 501,904,110.60/x
  3. Step 3: Cross multiply
    1,278,726,510.60x = 1,917,249,957.90 × 501,904,110.60
  4. Step 4: Simplify right side
    1,278,726,510.60x = 962,275,634,917,687,040
  5. Step 5: Solve for x
    x = 962,275,634,917,687,040/1,278,726,510.60
  6. Step 6: Final answer
    x = 752,526,538.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.