Home / 688,299,088.31-949,852,878.54-375,033,302.27

Finding the Fourth Proportional to 688,299,088.31, 949,852,878.54 and 375,033,302.27

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Solution

The fourth proportional to 688,299,088.31, 949,852,878.54 and 375,033,302.27 is: 517,546,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,088.31 : 949,852,878.54 = 375,033,302.27 : x
  2. Step 2: Convert to fraction form
    688,299,088.31/949,852,878.54 = 375,033,302.27/x
  3. Step 3: Cross multiply
    688,299,088.31x = 949,852,878.54 × 375,033,302.27
  4. Step 4: Simplify right side
    688,299,088.31x = 356,226,461,704,772,096
  5. Step 5: Solve for x
    x = 356,226,461,704,772,096/688,299,088.31
  6. Step 6: Final answer
    x = 517,546,031.60

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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.