Home / 1,121,641,463.32-1,680,958,294.38-872,947,023.52

Finding the Fourth Proportional to 1,121,641,463.32, 1,680,958,294.38 and 872,947,023.52

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Solution

The fourth proportional to 1,121,641,463.32, 1,680,958,294.38 and 872,947,023.52 is: 1,308,250,085.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,641,463.32 : 1,680,958,294.38 = 872,947,023.52 : x
  2. Step 2: Convert to fraction form
    1,121,641,463.32/1,680,958,294.38 = 872,947,023.52/x
  3. Step 3: Cross multiply
    1,121,641,463.32x = 1,680,958,294.38 × 872,947,023.52
  4. Step 4: Simplify right side
    1,121,641,463.32x = 1,467,387,539,740,276,992
  5. Step 5: Solve for x
    x = 1,467,387,539,740,276,992/1,121,641,463.32
  6. Step 6: Final answer
    x = 1,308,250,085.01

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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.