Home / 876,706,420.30-1,209,811,867.23-480,231,169

Finding the Fourth Proportional to 876,706,420.30, 1,209,811,867.23 and 480,231,169

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Solution

The fourth proportional to 876,706,420.30, 1,209,811,867.23 and 480,231,169 is: 662,695,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,706,420.30 : 1,209,811,867.23 = 480,231,169 : x
  2. Step 2: Convert to fraction form
    876,706,420.30/1,209,811,867.23 = 480,231,169/x
  3. Step 3: Cross multiply
    876,706,420.30x = 1,209,811,867.23 × 480,231,169
  4. Step 4: Simplify right side
    876,706,420.30x = 580,989,367,269,935,744
  5. Step 5: Solve for x
    x = 580,989,367,269,935,744/876,706,420.30
  6. Step 6: Final answer
    x = 662,695,463.18

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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.