Home / 944,786,012.10-1,417,179,018.15-577,453,992.90

Finding the Fourth Proportional to 944,786,012.10, 1,417,179,018.15 and 577,453,992.90

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Solution

The fourth proportional to 944,786,012.10, 1,417,179,018.15 and 577,453,992.90 is: 866,180,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,786,012.10 : 1,417,179,018.15 = 577,453,992.90 : x
  2. Step 2: Convert to fraction form
    944,786,012.10/1,417,179,018.15 = 577,453,992.90/x
  3. Step 3: Cross multiply
    944,786,012.10x = 1,417,179,018.15 × 577,453,992.90
  4. Step 4: Simplify right side
    944,786,012.10x = 818,355,682,684,819,072
  5. Step 5: Solve for x
    x = 818,355,682,684,819,072/944,786,012.10
  6. Step 6: Final answer
    x = 866,180,989.35

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Double scale
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Similar ratio
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1.5x scale

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.