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Finding the Fourth Proportional to 2,670,643,207.80, 4,003,137,442.80 and 898,326,722.16

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Solution

The fourth proportional to 2,670,643,207.80, 4,003,137,442.80 and 898,326,722.16 is: 1,346,539,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670,643,207.80 : 4,003,137,442.80 = 898,326,722.16 : x
  2. Step 2: Convert to fraction form
    2,670,643,207.80/4,003,137,442.80 = 898,326,722.16/x
  3. Step 3: Cross multiply
    2,670,643,207.80x = 4,003,137,442.80 × 898,326,722.16
  4. Step 4: Simplify right side
    2,670,643,207.80x = 3,596,125,337,346,488,320
  5. Step 5: Solve for x
    x = 3,596,125,337,346,488,320/2,670,643,207.80
  6. Step 6: Final answer
    x = 1,346,539,038.55

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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.