Home / 1,013,645,138.04-1,398,830,301.90-550,071,122.04

Finding the Fourth Proportional to 1,013,645,138.04, 1,398,830,301.90 and 550,071,122.04

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Solution

The fourth proportional to 1,013,645,138.04, 1,398,830,301.90 and 550,071,122.04 is: 759,098,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,645,138.04 : 1,398,830,301.90 = 550,071,122.04 : x
  2. Step 2: Convert to fraction form
    1,013,645,138.04/1,398,830,301.90 = 550,071,122.04/x
  3. Step 3: Cross multiply
    1,013,645,138.04x = 1,398,830,301.90 × 550,071,122.04
  4. Step 4: Simplify right side
    1,013,645,138.04x = 769,456,153,709,684,992
  5. Step 5: Solve for x
    x = 769,456,153,709,684,992/1,013,645,138.04
  6. Step 6: Final answer
    x = 759,098,154.60

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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.