Home / 915,885,528.47-1,373,981,527.32-719,141,004.93

Finding the Fourth Proportional to 915,885,528.47, 1,373,981,527.32 and 719,141,004.93

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Solution

The fourth proportional to 915,885,528.47, 1,373,981,527.32 and 719,141,004.93 is: 1,078,831,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,885,528.47 : 1,373,981,527.32 = 719,141,004.93 : x
  2. Step 2: Convert to fraction form
    915,885,528.47/1,373,981,527.32 = 719,141,004.93/x
  3. Step 3: Cross multiply
    915,885,528.47x = 1,373,981,527.32 × 719,141,004.93
  4. Step 4: Simplify right side
    915,885,528.47x = 988,086,456,312,160,896
  5. Step 5: Solve for x
    x = 988,086,456,312,160,896/915,885,528.47
  6. Step 6: Final answer
    x = 1,078,831,825.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.