Home / 731,592,091.56-1,009,598,085.18-397,064,618.49

Finding the Fourth Proportional to 731,592,091.56, 1,009,598,085.18 and 397,064,618.49

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Solution

The fourth proportional to 731,592,091.56, 1,009,598,085.18 and 397,064,618.49 is: 547,949,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,592,091.56 : 1,009,598,085.18 = 397,064,618.49 : x
  2. Step 2: Convert to fraction form
    731,592,091.56/1,009,598,085.18 = 397,064,618.49/x
  3. Step 3: Cross multiply
    731,592,091.56x = 1,009,598,085.18 × 397,064,618.49
  4. Step 4: Simplify right side
    731,592,091.56x = 400,875,678,520,231,232
  5. Step 5: Solve for x
    x = 400,875,678,520,231,232/731,592,091.56
  6. Step 6: Final answer
    x = 547,949,715.62

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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.