Home / 731,592,100.81-1,009,598,097.95-397,064,627.74

Finding the Fourth Proportional to 731,592,100.81, 1,009,598,097.95 and 397,064,627.74

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Solution

The fourth proportional to 731,592,100.81, 1,009,598,097.95 and 397,064,627.74 is: 547,949,728.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,592,100.81 : 1,009,598,097.95 = 397,064,627.74 : x
  2. Step 2: Convert to fraction form
    731,592,100.81/1,009,598,097.95 = 397,064,627.74/x
  3. Step 3: Cross multiply
    731,592,100.81x = 1,009,598,097.95 × 397,064,627.74
  4. Step 4: Simplify right side
    731,592,100.81x = 400,875,692,929,528,832
  5. Step 5: Solve for x
    x = 400,875,692,929,528,832/731,592,100.81
  6. Step 6: Final answer
    x = 547,949,728.39

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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.