Home / 708,383,315.19-977,882,480.20-457,610,008.17

Finding the Fourth Proportional to 708,383,315.19, 977,882,480.20 and 457,610,008.17

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Solution

The fourth proportional to 708,383,315.19, 977,882,480.20 and 457,610,008.17 is: 631,704,333.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,383,315.19 : 977,882,480.20 = 457,610,008.17 : x
  2. Step 2: Convert to fraction form
    708,383,315.19/977,882,480.20 = 457,610,008.17/x
  3. Step 3: Cross multiply
    708,383,315.19x = 977,882,480.20 × 457,610,008.17
  4. Step 4: Simplify right side
    708,383,315.19x = 447,488,809,755,298,304
  5. Step 5: Solve for x
    x = 447,488,809,755,298,304/708,383,315.19
  6. Step 6: Final answer
    x = 631,704,333.17

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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.