Home / 688,299,093.96-949,852,886.34-375,033,307.92

Finding the Fourth Proportional to 688,299,093.96, 949,852,886.34 and 375,033,307.92

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Solution

The fourth proportional to 688,299,093.96, 949,852,886.34 and 375,033,307.92 is: 517,546,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,299,093.96 : 949,852,886.34 = 375,033,307.92 : x
  2. Step 2: Convert to fraction form
    688,299,093.96/949,852,886.34 = 375,033,307.92/x
  3. Step 3: Cross multiply
    688,299,093.96x = 949,852,886.34 × 375,033,307.92
  4. Step 4: Simplify right side
    688,299,093.96x = 356,226,470,001,449,984
  5. Step 5: Solve for x
    x = 356,226,470,001,449,984/688,299,093.96
  6. Step 6: Final answer
    x = 517,546,039.40

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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.