Home / 679,774,687,051.11-938,512,506,024.95-432,716,416,100.68

Finding the Fourth Proportional to 679,774,687,051.11, 938,512,506,024.95 and 432,716,416,100.68

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Solution

The fourth proportional to 679,774,687,051.11, 938,512,506,024.95 and 432,716,416,100.68 is: 597,418,197,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,774,687,051.11 : 938,512,506,024.95 = 432,716,416,100.68 : x
  2. Step 2: Convert to fraction form
    679,774,687,051.11/938,512,506,024.95 = 432,716,416,100.68/x
  3. Step 3: Cross multiply
    679,774,687,051.11x = 938,512,506,024.95 × 432,716,416,100.68
  4. Step 4: Simplify right side
    679,774,687,051.11x = 406,109,768,072,784,213,180,416
  5. Step 5: Solve for x
    x = 406,109,768,072,784,213,180,416/679,774,687,051.11
  6. Step 6: Final answer
    x = 597,418,197,247.83

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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.