Home / 57,502,495,320.48-79,357,549,832.82-31,781,221,912.80

Finding the Fourth Proportional to 57,502,495,320.48, 79,357,549,832.82 and 31,781,221,912.80

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Solution

The fourth proportional to 57,502,495,320.48, 79,357,549,832.82 and 31,781,221,912.80 is: 43,860,355,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,502,495,320.48 : 79,357,549,832.82 = 31,781,221,912.80 : x
  2. Step 2: Convert to fraction form
    57,502,495,320.48/79,357,549,832.82 = 31,781,221,912.80/x
  3. Step 3: Cross multiply
    57,502,495,320.48x = 79,357,549,832.82 × 31,781,221,912.80
  4. Step 4: Simplify right side
    57,502,495,320.48x = 2,522,079,901,692,937,109,504
  5. Step 5: Solve for x
    x = 2,522,079,901,692,937,109,504/57,502,495,320.48
  6. Step 6: Final answer
    x = 43,860,355,757.37

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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.