Home / 679,774,687,051.75-938,512,506,025.80-432,716,416,101.33

Finding the Fourth Proportional to 679,774,687,051.75, 938,512,506,025.80 and 432,716,416,101.33

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Solution

The fourth proportional to 679,774,687,051.75, 938,512,506,025.80 and 432,716,416,101.33 is: 597,418,197,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,774,687,051.75 : 938,512,506,025.80 = 432,716,416,101.33 : x
  2. Step 2: Convert to fraction form
    679,774,687,051.75/938,512,506,025.80 = 432,716,416,101.33/x
  3. Step 3: Cross multiply
    679,774,687,051.75x = 938,512,506,025.80 × 432,716,416,101.33
  4. Step 4: Simplify right side
    679,774,687,051.75x = 406,109,768,073,762,056,437,760
  5. Step 5: Solve for x
    x = 406,109,768,073,762,056,437,760/679,774,687,051.75
  6. Step 6: Final answer
    x = 597,418,197,248.71

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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.