Home / 1,458,488,724.21-2,012,714,537.65-798,439,002.21

Finding the Fourth Proportional to 1,458,488,724.21, 2,012,714,537.65 and 798,439,002.21

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Solution

The fourth proportional to 1,458,488,724.21, 2,012,714,537.65 and 798,439,002.21 is: 1,101,845,876.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,488,724.21 : 2,012,714,537.65 = 798,439,002.21 : x
  2. Step 2: Convert to fraction form
    1,458,488,724.21/2,012,714,537.65 = 798,439,002.21/x
  3. Step 3: Cross multiply
    1,458,488,724.21x = 2,012,714,537.65 × 798,439,002.21
  4. Step 4: Simplify right side
    1,458,488,724.21x = 1,607,029,787,174,827,520
  5. Step 5: Solve for x
    x = 1,607,029,787,174,827,520/1,458,488,724.21
  6. Step 6: Final answer
    x = 1,101,845,876.83

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1.5x scale

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.