Home / 39,580,390,804.05-54,620,551,263.18-21,514,832,154.93

Finding the Fourth Proportional to 39,580,390,804.05, 54,620,551,263.18 and 21,514,832,154.93

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Solution

The fourth proportional to 39,580,390,804.05, 54,620,551,263.18 and 21,514,832,154.93 is: 29,690,257,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,580,390,804.05 : 54,620,551,263.18 = 21,514,832,154.93 : x
  2. Step 2: Convert to fraction form
    39,580,390,804.05/54,620,551,263.18 = 21,514,832,154.93/x
  3. Step 3: Cross multiply
    39,580,390,804.05x = 54,620,551,263.18 × 21,514,832,154.93
  4. Step 4: Simplify right side
    39,580,390,804.05x = 1,175,151,992,637,067,493,376
  5. Step 5: Solve for x
    x = 1,175,151,992,637,067,493,376/39,580,390,804.05
  6. Step 6: Final answer
    x = 29,690,257,442.25

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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.