Home / 198,570,416,420.10-297,853,661,765.76-90,974,167,671.42

Finding the Fourth Proportional to 198,570,416,420.10, 297,853,661,765.76 and 90,974,167,671.42

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Solution

The fourth proportional to 198,570,416,420.10, 297,853,661,765.76 and 90,974,167,671.42 is: 136,460,352,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,570,416,420.10 : 297,853,661,765.76 = 90,974,167,671.42 : x
  2. Step 2: Convert to fraction form
    198,570,416,420.10/297,853,661,765.76 = 90,974,167,671.42/x
  3. Step 3: Cross multiply
    198,570,416,420.10x = 297,853,661,765.76 × 90,974,167,671.42
  4. Step 4: Simplify right side
    198,570,416,420.10x = 27,096,988,967,024,671,588,352
  5. Step 5: Solve for x
    x = 27,096,988,967,024,671,588,352/198,570,416,420.10
  6. Step 6: Final answer
    x = 136,460,352,229.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.