Home / 688,299,085.12-949,852,874.14-375,033,299.08

Finding the Fourth Proportional to 688,299,085.12, 949,852,874.14 and 375,033,299.08

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Solution

The fourth proportional to 688,299,085.12, 949,852,874.14 and 375,033,299.08 is: 517,546,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,085.12 : 949,852,874.14 = 375,033,299.08 : x
  2. Step 2: Convert to fraction form
    688,299,085.12/949,852,874.14 = 375,033,299.08/x
  3. Step 3: Cross multiply
    688,299,085.12x = 949,852,874.14 × 375,033,299.08
  4. Step 4: Simplify right side
    688,299,085.12x = 356,226,457,029,936,640
  5. Step 5: Solve for x
    x = 356,226,457,029,936,640/688,299,085.12
  6. Step 6: Final answer
    x = 517,546,027.20

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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.