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Finding the Fourth Proportional to 673,342,450.80, 929,854,295.64 and 636,659,062.32

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Solution

The fourth proportional to 673,342,450.80, 929,854,295.64 and 636,659,062.32 is: 879,196,259.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,342,450.80 : 929,854,295.64 = 636,659,062.32 : x
  2. Step 2: Convert to fraction form
    673,342,450.80/929,854,295.64 = 636,659,062.32/x
  3. Step 3: Cross multiply
    673,342,450.80x = 929,854,295.64 × 636,659,062.32
  4. Step 4: Simplify right side
    673,342,450.80x = 592,000,163,956,386,560
  5. Step 5: Solve for x
    x = 592,000,163,956,386,560/673,342,450.80
  6. Step 6: Final answer
    x = 879,196,259.28

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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.