Home / 847,313,969.24-1,169,610,463.50-636,230,572.40

Finding the Fourth Proportional to 847,313,969.24, 1,169,610,463.50 and 636,230,572.40

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Solution

The fourth proportional to 847,313,969.24, 1,169,610,463.50 and 636,230,572.40 is: 878,236,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,313,969.24 : 1,169,610,463.50 = 636,230,572.40 : x
  2. Step 2: Convert to fraction form
    847,313,969.24/1,169,610,463.50 = 636,230,572.40/x
  3. Step 3: Cross multiply
    847,313,969.24x = 1,169,610,463.50 × 636,230,572.40
  4. Step 4: Simplify right side
    847,313,969.24x = 744,141,934,677,634,304
  5. Step 5: Solve for x
    x = 744,141,934,677,634,304/847,313,969.24
  6. Step 6: Final answer
    x = 878,236,358.29

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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.