Home / 1,055,254,342.77-1,582,894,975.28-278,893,292.85

Finding the Fourth Proportional to 1,055,254,342.77, 1,582,894,975.28 and 278,893,292.85

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Solution

The fourth proportional to 1,055,254,342.77, 1,582,894,975.28 and 278,893,292.85 is: 418,343,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,254,342.77 : 1,582,894,975.28 = 278,893,292.85 : x
  2. Step 2: Convert to fraction form
    1,055,254,342.77/1,582,894,975.28 = 278,893,292.85/x
  3. Step 3: Cross multiply
    1,055,254,342.77x = 1,582,894,975.28 × 278,893,292.85
  4. Step 4: Simplify right side
    1,055,254,342.77x = 441,458,791,890,164,160
  5. Step 5: Solve for x
    x = 441,458,791,890,164,160/1,055,254,342.77
  6. Step 6: Final answer
    x = 418,343,496.92

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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.