Home / 688,441,315.64-950,024,884.92-375,169,137.08

Finding the Fourth Proportional to 688,441,315.64, 950,024,884.92 and 375,169,137.08

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Solution

The fourth proportional to 688,441,315.64, 950,024,884.92 and 375,169,137.08 is: 517,720,259.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,441,315.64 : 950,024,884.92 = 375,169,137.08 : x
  2. Step 2: Convert to fraction form
    688,441,315.64/950,024,884.92 = 375,169,137.08/x
  3. Step 3: Cross multiply
    688,441,315.64x = 950,024,884.92 × 375,169,137.08
  4. Step 4: Simplify right side
    688,441,315.64x = 356,420,016,279,962,688
  5. Step 5: Solve for x
    x = 356,420,016,279,962,688/688,441,315.64
  6. Step 6: Final answer
    x = 517,720,259.06

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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.