Home / 679,774,687,059.89-938,512,506,037.12-432,716,416,109.49

Finding the Fourth Proportional to 679,774,687,059.89, 938,512,506,037.12 and 432,716,416,109.49

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Solution

The fourth proportional to 679,774,687,059.89, 938,512,506,037.12 and 432,716,416,109.49 is: 597,418,197,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,774,687,059.89 : 938,512,506,037.12 = 432,716,416,109.49 : x
  2. Step 2: Convert to fraction form
    679,774,687,059.89/938,512,506,037.12 = 432,716,416,109.49/x
  3. Step 3: Cross multiply
    679,774,687,059.89x = 938,512,506,037.12 × 432,716,416,109.49
  4. Step 4: Simplify right side
    679,774,687,059.89x = 406,109,768,086,318,661,763,072
  5. Step 5: Solve for x
    x = 406,109,768,086,318,661,763,072/679,774,687,059.89
  6. Step 6: Final answer
    x = 597,418,197,260.03

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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.