Home / 933,294,161.52-1,399,923,221.40-278,688,728.16

Finding the Fourth Proportional to 933,294,161.52, 1,399,923,221.40 and 278,688,728.16

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Solution

The fourth proportional to 933,294,161.52, 1,399,923,221.40 and 278,688,728.16 is: 418,027,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,294,161.52 : 1,399,923,221.40 = 278,688,728.16 : x
  2. Step 2: Convert to fraction form
    933,294,161.52/1,399,923,221.40 = 278,688,728.16/x
  3. Step 3: Cross multiply
    933,294,161.52x = 1,399,923,221.40 × 278,688,728.16
  4. Step 4: Simplify right side
    933,294,161.52x = 390,142,822,093,616,128
  5. Step 5: Solve for x
    x = 390,142,822,093,616,128/933,294,161.52
  6. Step 6: Final answer
    x = 418,027,711.07

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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.