Home / 347,680,517,365.40-521,520,776,048.10-252,908,856,411.80

Finding the Fourth Proportional to 347,680,517,365.40, 521,520,776,048.10 and 252,908,856,411.80

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Solution

The fourth proportional to 347,680,517,365.40, 521,520,776,048.10 and 252,908,856,411.80 is: 379,363,284,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680,517,365.40 : 521,520,776,048.10 = 252,908,856,411.80 : x
  2. Step 2: Convert to fraction form
    347,680,517,365.40/521,520,776,048.10 = 252,908,856,411.80/x
  3. Step 3: Cross multiply
    347,680,517,365.40x = 521,520,776,048.10 × 252,908,856,411.80
  4. Step 4: Simplify right side
    347,680,517,365.40x = 131,897,223,065,319,419,936,768
  5. Step 5: Solve for x
    x = 131,897,223,065,319,419,936,768/347,680,517,365.40
  6. Step 6: Final answer
    x = 379,363,284,617.70

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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.