Home / 746,496,011.90-1,119,744,017.85-644,375,359.10

Finding the Fourth Proportional to 746,496,011.90, 1,119,744,017.85 and 644,375,359.10

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Solution

The fourth proportional to 746,496,011.90, 1,119,744,017.85 and 644,375,359.10 is: 966,563,038.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,496,011.90 : 1,119,744,017.85 = 644,375,359.10 : x
  2. Step 2: Convert to fraction form
    746,496,011.90/1,119,744,017.85 = 644,375,359.10/x
  3. Step 3: Cross multiply
    746,496,011.90x = 1,119,744,017.85 × 644,375,359.10
  4. Step 4: Simplify right side
    746,496,011.90x = 721,535,453,602,170,496
  5. Step 5: Solve for x
    x = 721,535,453,602,170,496/746,496,011.90
  6. Step 6: Final answer
    x = 966,563,038.65

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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.