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Finding the Fourth Proportional to 283,658,422.60, 425,501,630.70 and 147,609,526.60

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Solution

The fourth proportional to 283,658,422.60, 425,501,630.70 and 147,609,526.60 is: 221,421,573.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,658,422.60 : 425,501,630.70 = 147,609,526.60 : x
  2. Step 2: Convert to fraction form
    283,658,422.60/425,501,630.70 = 147,609,526.60/x
  3. Step 3: Cross multiply
    283,658,422.60x = 425,501,630.70 × 147,609,526.60
  4. Step 4: Simplify right side
    283,658,422.60x = 62,808,094,275,155,024
  5. Step 5: Solve for x
    x = 62,808,094,275,155,024/283,658,422.60
  6. Step 6: Final answer
    x = 221,421,573.52

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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.