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Finding the Fourth Proportional to 558,670,403.40, 838,005,605.10 and 558,670,403.40

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Solution

The fourth proportional to 558,670,403.40, 838,005,605.10 and 558,670,403.40 is: 838,005,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,670,403.40 : 838,005,605.10 = 558,670,403.40 : x
  2. Step 2: Convert to fraction form
    558,670,403.40/838,005,605.10 = 558,670,403.40/x
  3. Step 3: Cross multiply
    558,670,403.40x = 838,005,605.10 × 558,670,403.40
  4. Step 4: Simplify right side
    558,670,403.40x = 468,168,929,452,678,080
  5. Step 5: Solve for x
    x = 468,168,929,452,678,080/558,670,403.40
  6. Step 6: Final answer
    x = 838,005,605.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.