Home / 278,211,973,248.12-417,341,999,080.67-76,753,708,395.10

Finding the Fourth Proportional to 278,211,973,248.12, 417,341,999,080.67 and 76,753,708,395.10

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Solution

The fourth proportional to 278,211,973,248.12, 417,341,999,080.67 and 76,753,708,395.10 is: 115,137,194,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,211,973,248.12 : 417,341,999,080.67 = 76,753,708,395.10 : x
  2. Step 2: Convert to fraction form
    278,211,973,248.12/417,341,999,080.67 = 76,753,708,395.10/x
  3. Step 3: Cross multiply
    278,211,973,248.12x = 417,341,999,080.67 × 76,753,708,395.10
  4. Step 4: Simplify right side
    278,211,973,248.12x = 32,032,546,098,465,839,513,600
  5. Step 5: Solve for x
    x = 32,032,546,098,465,839,513,600/278,211,973,248.12
  6. Step 6: Final answer
    x = 115,137,194,580.40

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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.