Home / 688,299,475.59-949,853,412.54-375,033,689.75

Finding the Fourth Proportional to 688,299,475.59, 949,853,412.54 and 375,033,689.75

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Solution

The fourth proportional to 688,299,475.59, 949,853,412.54 and 375,033,689.75 is: 517,546,566.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,475.59 : 949,853,412.54 = 375,033,689.75 : x
  2. Step 2: Convert to fraction form
    688,299,475.59/949,853,412.54 = 375,033,689.75/x
  3. Step 3: Cross multiply
    688,299,475.59x = 949,853,412.54 × 375,033,689.75
  4. Step 4: Simplify right side
    688,299,475.59x = 356,227,030,028,879,744
  5. Step 5: Solve for x
    x = 356,227,030,028,879,744/688,299,475.59
  6. Step 6: Final answer
    x = 517,546,566.08

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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.