Home / 1,566,153,510-2,161,248,680.52-861,305,474.40

Finding the Fourth Proportional to 1,566,153,510, 2,161,248,680.52 and 861,305,474.40

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Solution

The fourth proportional to 1,566,153,510, 2,161,248,680.52 and 861,305,474.40 is: 1,188,577,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,153,510 : 2,161,248,680.52 = 861,305,474.40 : x
  2. Step 2: Convert to fraction form
    1,566,153,510/2,161,248,680.52 = 861,305,474.40/x
  3. Step 3: Cross multiply
    1,566,153,510x = 2,161,248,680.52 × 861,305,474.40
  4. Step 4: Simplify right side
    1,566,153,510x = 1,861,495,320,071,652,608
  5. Step 5: Solve for x
    x = 1,861,495,320,071,652,608/1,566,153,510
  6. Step 6: Final answer
    x = 1,188,577,817.04

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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.