Home / 1,137,134,343.84-1,569,326,597.91-628,486,114.86

Finding the Fourth Proportional to 1,137,134,343.84, 1,569,326,597.91 and 628,486,114.86

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Solution

The fourth proportional to 1,137,134,343.84, 1,569,326,597.91 and 628,486,114.86 is: 867,355,719.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,134,343.84 : 1,569,326,597.91 = 628,486,114.86 : x
  2. Step 2: Convert to fraction form
    1,137,134,343.84/1,569,326,597.91 = 628,486,114.86/x
  3. Step 3: Cross multiply
    1,137,134,343.84x = 1,569,326,597.91 × 628,486,114.86
  4. Step 4: Simplify right side
    1,137,134,343.84x = 986,299,976,466,917,376
  5. Step 5: Solve for x
    x = 986,299,976,466,917,376/1,137,134,343.84
  6. Step 6: Final answer
    x = 867,355,719.06

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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.