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Finding the Fourth Proportional to 498,637,651.60, 747,956,477.40 and 471,853,025.20

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Solution

The fourth proportional to 498,637,651.60, 747,956,477.40 and 471,853,025.20 is: 707,779,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,637,651.60 : 747,956,477.40 = 471,853,025.20 : x
  2. Step 2: Convert to fraction form
    498,637,651.60/747,956,477.40 = 471,853,025.20/x
  3. Step 3: Cross multiply
    498,637,651.60x = 747,956,477.40 × 471,853,025.20
  4. Step 4: Simplify right side
    498,637,651.60x = 352,925,526,579,125,440
  5. Step 5: Solve for x
    x = 352,925,526,579,125,440/498,637,651.60
  6. Step 6: Final answer
    x = 707,779,537.80

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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.