Home / 39,580,390,803.05-54,620,551,261.80-21,514,832,153.93

Finding the Fourth Proportional to 39,580,390,803.05, 54,620,551,261.80 and 21,514,832,153.93

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Solution

The fourth proportional to 39,580,390,803.05, 54,620,551,261.80 and 21,514,832,153.93 is: 29,690,257,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,580,390,803.05 : 54,620,551,261.80 = 21,514,832,153.93 : x
  2. Step 2: Convert to fraction form
    39,580,390,803.05/54,620,551,261.80 = 21,514,832,153.93/x
  3. Step 3: Cross multiply
    39,580,390,803.05x = 54,620,551,261.80 × 21,514,832,153.93
  4. Step 4: Simplify right side
    39,580,390,803.05x = 1,175,151,992,552,592,637,952
  5. Step 5: Solve for x
    x = 1,175,151,992,552,592,637,952/39,580,390,803.05
  6. Step 6: Final answer
    x = 29,690,257,440.86

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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.