Home / 1,140,229,436.27-1,709,720,656.28-905,387,510.86

Finding the Fourth Proportional to 1,140,229,436.27, 1,709,720,656.28 and 905,387,510.86

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Solution

The fourth proportional to 1,140,229,436.27, 1,709,720,656.28 and 905,387,510.86 is: 1,357,586,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,229,436.27 : 1,709,720,656.28 = 905,387,510.86 : x
  2. Step 2: Convert to fraction form
    1,140,229,436.27/1,709,720,656.28 = 905,387,510.86/x
  3. Step 3: Cross multiply
    1,140,229,436.27x = 1,709,720,656.28 × 905,387,510.86
  4. Step 4: Simplify right side
    1,140,229,436.27x = 1,547,959,729,256,235,264
  5. Step 5: Solve for x
    x = 1,547,959,729,256,235,264/1,140,229,436.27
  6. Step 6: Final answer
    x = 1,357,586,183.98

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1.5x scale

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.