Home / 89,172,755,757.50-133,771,698,707.56-28,646,737,973.94

Finding the Fourth Proportional to 89,172,755,757.50, 133,771,698,707.56 and 28,646,737,973.94

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Solution

The fourth proportional to 89,172,755,757.50, 133,771,698,707.56 and 28,646,737,973.94 is: 42,974,143,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,172,755,757.50 : 133,771,698,707.56 = 28,646,737,973.94 : x
  2. Step 2: Convert to fraction form
    89,172,755,757.50/133,771,698,707.56 = 28,646,737,973.94/x
  3. Step 3: Cross multiply
    89,172,755,757.50x = 133,771,698,707.56 × 28,646,737,973.94
  4. Step 4: Simplify right side
    89,172,755,757.50x = 3,832,122,801,204,319,223,808
  5. Step 5: Solve for x
    x = 3,832,122,801,204,319,223,808/89,172,755,757.50
  6. Step 6: Final answer
    x = 42,974,143,488.69

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1.5x scale

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.