Home / 708,383,317.19-977,882,482.96-457,610,010.17

Finding the Fourth Proportional to 708,383,317.19, 977,882,482.96 and 457,610,010.17

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Solution

The fourth proportional to 708,383,317.19, 977,882,482.96 and 457,610,010.17 is: 631,704,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,383,317.19 : 977,882,482.96 = 457,610,010.17 : x
  2. Step 2: Convert to fraction form
    708,383,317.19/977,882,482.96 = 457,610,010.17/x
  3. Step 3: Cross multiply
    708,383,317.19x = 977,882,482.96 × 457,610,010.17
  4. Step 4: Simplify right side
    708,383,317.19x = 447,488,812,972,390,464
  5. Step 5: Solve for x
    x = 447,488,812,972,390,464/708,383,317.19
  6. Step 6: Final answer
    x = 631,704,335.93

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Double scale
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1.5x scale

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.