Home / 302,026,636,965.35-417,341,962,544.80-215,068,237,274.04

Finding the Fourth Proportional to 302,026,636,965.35, 417,341,962,544.80 and 215,068,237,274.04

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Solution

The fourth proportional to 302,026,636,965.35, 417,341,962,544.80 and 215,068,237,274.04 is: 297,182,397,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,026,636,965.35 : 417,341,962,544.80 = 215,068,237,274.04 : x
  2. Step 2: Convert to fraction form
    302,026,636,965.35/417,341,962,544.80 = 215,068,237,274.04/x
  3. Step 3: Cross multiply
    302,026,636,965.35x = 417,341,962,544.80 × 215,068,237,274.04
  4. Step 4: Simplify right side
    302,026,636,965.35x = 89,757,000,224,998,567,182,336
  5. Step 5: Solve for x
    x = 89,757,000,224,998,567,182,336/302,026,636,965.35
  6. Step 6: Final answer
    x = 297,182,397,972.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.