Home / 679,774,687,050.80-938,512,506,024.55-432,716,416,100.38

Finding the Fourth Proportional to 679,774,687,050.80, 938,512,506,024.55 and 432,716,416,100.38

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Solution

The fourth proportional to 679,774,687,050.80, 938,512,506,024.55 and 432,716,416,100.38 is: 597,418,197,247.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,774,687,050.80 : 938,512,506,024.55 = 432,716,416,100.38 : x
  2. Step 2: Convert to fraction form
    679,774,687,050.80/938,512,506,024.55 = 432,716,416,100.38/x
  3. Step 3: Cross multiply
    679,774,687,050.80x = 938,512,506,024.55 × 432,716,416,100.38
  4. Step 4: Simplify right side
    679,774,687,050.80x = 406,109,768,072,329,617,735,680
  5. Step 5: Solve for x
    x = 406,109,768,072,329,617,735,680/679,774,687,050.80
  6. Step 6: Final answer
    x = 597,418,197,247.44

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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.