Home / 395,386,272,479.70-593,079,408,719.55-130,376,627,961.30

Finding the Fourth Proportional to 395,386,272,479.70, 593,079,408,719.55 and 130,376,627,961.30

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Solution

The fourth proportional to 395,386,272,479.70, 593,079,408,719.55 and 130,376,627,961.30 is: 195,564,941,941.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,386,272,479.70 : 593,079,408,719.55 = 130,376,627,961.30 : x
  2. Step 2: Convert to fraction form
    395,386,272,479.70/593,079,408,719.55 = 130,376,627,961.30/x
  3. Step 3: Cross multiply
    395,386,272,479.70x = 593,079,408,719.55 × 130,376,627,961.30
  4. Step 4: Simplify right side
    395,386,272,479.70x = 77,323,693,422,136,554,160,128
  5. Step 5: Solve for x
    x = 77,323,693,422,136,554,160,128/395,386,272,479.70
  6. Step 6: Final answer
    x = 195,564,941,941.95

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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.