Home / 719,355,020.70-1,077,092,445.75-469,741,944.18

Finding the Fourth Proportional to 719,355,020.70, 1,077,092,445.75 and 469,741,944.18

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Solution

The fourth proportional to 719,355,020.70, 1,077,092,445.75 and 469,741,944.18 is: 703,346,032.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,355,020.70 : 1,077,092,445.75 = 469,741,944.18 : x
  2. Step 2: Convert to fraction form
    719,355,020.70/1,077,092,445.75 = 469,741,944.18/x
  3. Step 3: Cross multiply
    719,355,020.70x = 1,077,092,445.75 × 469,741,944.18
  4. Step 4: Simplify right side
    719,355,020.70x = 505,955,499,528,196,160
  5. Step 5: Solve for x
    x = 505,955,499,528,196,160/719,355,020.70
  6. Step 6: Final answer
    x = 703,346,032.17

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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.