Home / 936,391,253.85-1,292,219,480.87-560,047,835.13

Finding the Fourth Proportional to 936,391,253.85, 1,292,219,480.87 and 560,047,835.13

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Solution

The fourth proportional to 936,391,253.85, 1,292,219,480.87 and 560,047,835.13 is: 772,865,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,391,253.85 : 1,292,219,480.87 = 560,047,835.13 : x
  2. Step 2: Convert to fraction form
    936,391,253.85/1,292,219,480.87 = 560,047,835.13/x
  3. Step 3: Cross multiply
    936,391,253.85x = 1,292,219,480.87 × 560,047,835.13
  4. Step 4: Simplify right side
    936,391,253.85x = 723,704,722,771,255,680
  5. Step 5: Solve for x
    x = 723,704,722,771,255,680/936,391,253.85
  6. Step 6: Final answer
    x = 772,865,743.67

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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.