Home / 278,834,095,711.60-418,442,194,811.65-97,316,928,286.93

Finding the Fourth Proportional to 278,834,095,711.60, 418,442,194,811.65 and 97,316,928,286.93

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Solution

The fourth proportional to 278,834,095,711.60, 418,442,194,811.65 and 97,316,928,286.93 is: 146,042,071,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,834,095,711.60 : 418,442,194,811.65 = 97,316,928,286.93 : x
  2. Step 2: Convert to fraction form
    278,834,095,711.60/418,442,194,811.65 = 97,316,928,286.93/x
  3. Step 3: Cross multiply
    278,834,095,711.60x = 418,442,194,811.65 × 97,316,928,286.93
  4. Step 4: Simplify right side
    278,834,095,711.60x = 40,721,509,064,710,933,184,512
  5. Step 5: Solve for x
    x = 40,721,509,064,710,933,184,512/278,834,095,711.60
  6. Step 6: Final answer
    x = 146,042,071,938.11

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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.