Home / 495,126,858.74-683,291,446.88-272,116,445.22

Finding the Fourth Proportional to 495,126,858.74, 683,291,446.88 and 272,116,445.22

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Solution

The fourth proportional to 495,126,858.74, 683,291,446.88 and 272,116,445.22 is: 375,529,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,126,858.74 : 683,291,446.88 = 272,116,445.22 : x
  2. Step 2: Convert to fraction form
    495,126,858.74/683,291,446.88 = 272,116,445.22/x
  3. Step 3: Cross multiply
    495,126,858.74x = 683,291,446.88 × 272,116,445.22
  4. Step 4: Simplify right side
    495,126,858.74x = 185,934,839,572,855,488
  5. Step 5: Solve for x
    x = 185,934,839,572,855,488/495,126,858.74
  6. Step 6: Final answer
    x = 375,529,697.68

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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.