Home / 278,834,095,714.60-418,442,194,816.15-97,316,928,289.93

Finding the Fourth Proportional to 278,834,095,714.60, 418,442,194,816.15 and 97,316,928,289.93

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Solution

The fourth proportional to 278,834,095,714.60, 418,442,194,816.15 and 97,316,928,289.93 is: 146,042,071,942.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,834,095,714.60 : 418,442,194,816.15 = 97,316,928,289.93 : x
  2. Step 2: Convert to fraction form
    278,834,095,714.60/418,442,194,816.15 = 97,316,928,289.93/x
  3. Step 3: Cross multiply
    278,834,095,714.60x = 418,442,194,816.15 × 97,316,928,289.93
  4. Step 4: Simplify right side
    278,834,095,714.60x = 40,721,509,066,404,190,486,528
  5. Step 5: Solve for x
    x = 40,721,509,066,404,190,486,528/278,834,095,714.60
  6. Step 6: Final answer
    x = 146,042,071,942.61

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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.