Home / 1,346,455,134.55-1,857,966,473.05-781,829,646.31

Finding the Fourth Proportional to 1,346,455,134.55, 1,857,966,473.05 and 781,829,646.31

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Solution

The fourth proportional to 1,346,455,134.55, 1,857,966,473.05 and 781,829,646.31 is: 1,078,842,683.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,455,134.55 : 1,857,966,473.05 = 781,829,646.31 : x
  2. Step 2: Convert to fraction form
    1,346,455,134.55/1,857,966,473.05 = 781,829,646.31/x
  3. Step 3: Cross multiply
    1,346,455,134.55x = 1,857,966,473.05 × 781,829,646.31
  4. Step 4: Simplify right side
    1,346,455,134.55x = 1,452,613,270,480,519,424
  5. Step 5: Solve for x
    x = 1,452,613,270,480,519,424/1,346,455,134.55
  6. Step 6: Final answer
    x = 1,078,842,683.43

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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.