Home / 278,834,095,715.40-418,442,194,817.40-97,316,928,290.75

Finding the Fourth Proportional to 278,834,095,715.40, 418,442,194,817.40 and 97,316,928,290.75

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Solution

The fourth proportional to 278,834,095,715.40, 418,442,194,817.40 and 97,316,928,290.75 is: 146,042,071,943.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,834,095,715.40 : 418,442,194,817.40 = 97,316,928,290.75 : x
  2. Step 2: Convert to fraction form
    278,834,095,715.40/418,442,194,817.40 = 97,316,928,290.75/x
  3. Step 3: Cross multiply
    278,834,095,715.40x = 418,442,194,817.40 × 97,316,928,290.75
  4. Step 4: Simplify right side
    278,834,095,715.40x = 40,721,509,066,868,961,312,768
  5. Step 5: Solve for x
    x = 40,721,509,066,868,961,312,768/278,834,095,715.40
  6. Step 6: Final answer
    x = 146,042,071,943.86

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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.