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Finding the Fourth Proportional to 558,889,509.80, 838,334,264.70 and 555,063,134.60

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Solution

The fourth proportional to 558,889,509.80, 838,334,264.70 and 555,063,134.60 is: 832,594,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,889,509.80 : 838,334,264.70 = 555,063,134.60 : x
  2. Step 2: Convert to fraction form
    558,889,509.80/838,334,264.70 = 555,063,134.60/x
  3. Step 3: Cross multiply
    558,889,509.80x = 838,334,264.70 × 555,063,134.60
  4. Step 4: Simplify right side
    558,889,509.80x = 465,328,444,806,968,192
  5. Step 5: Solve for x
    x = 465,328,444,806,968,192/558,889,509.80
  6. Step 6: Final answer
    x = 832,594,701.90

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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.