Home / 1,036,887,159.88-1,555,332,317.10-423,471,385.60

Finding the Fourth Proportional to 1,036,887,159.88, 1,555,332,317.10 and 423,471,385.60

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Solution

The fourth proportional to 1,036,887,159.88, 1,555,332,317.10 and 423,471,385.60 is: 635,207,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,887,159.88 : 1,555,332,317.10 = 423,471,385.60 : x
  2. Step 2: Convert to fraction form
    1,036,887,159.88/1,555,332,317.10 = 423,471,385.60/x
  3. Step 3: Cross multiply
    1,036,887,159.88x = 1,555,332,317.10 × 423,471,385.60
  4. Step 4: Simplify right side
    1,036,887,159.88x = 658,638,731,390,795,520
  5. Step 5: Solve for x
    x = 658,638,731,390,795,520/1,036,887,159.88
  6. Step 6: Final answer
    x = 635,207,722.57

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Double scale
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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.