Home / 687,077,222.90-1,029,943,987.95-614,517,811.70

Finding the Fourth Proportional to 687,077,222.90, 1,029,943,987.95 and 614,517,811.70

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Solution

The fourth proportional to 687,077,222.90, 1,029,943,987.95 and 614,517,811.70 is: 921,175,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,077,222.90 : 1,029,943,987.95 = 614,517,811.70 : x
  2. Step 2: Convert to fraction form
    687,077,222.90/1,029,943,987.95 = 614,517,811.70/x
  3. Step 3: Cross multiply
    687,077,222.90x = 1,029,943,987.95 × 614,517,811.70
  4. Step 4: Simplify right side
    687,077,222.90x = 632,918,925,648,605,184
  5. Step 5: Solve for x
    x = 632,918,925,648,605,184/687,077,222.90
  6. Step 6: Final answer
    x = 921,175,822.10

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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.