Home / 1,543,426,077-2,129,947,357.86-838,589,829.24

Finding the Fourth Proportional to 1,543,426,077, 2,129,947,357.86 and 838,589,829.24

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Solution

The fourth proportional to 1,543,426,077, 2,129,947,357.86 and 838,589,829.24 is: 1,157,264,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,426,077 : 2,129,947,357.86 = 838,589,829.24 : x
  2. Step 2: Convert to fraction form
    1,543,426,077/2,129,947,357.86 = 838,589,829.24/x
  3. Step 3: Cross multiply
    1,543,426,077x = 2,129,947,357.86 × 838,589,829.24
  4. Step 4: Simplify right side
    1,543,426,077x = 1,786,152,191,118,006,528
  5. Step 5: Solve for x
    x = 1,786,152,191,118,006,528/1,543,426,077
  6. Step 6: Final answer
    x = 1,157,264,489.52

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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.