Home / 10,358,863,999.90-15,538,295,999.85-9,270,472,831.90

Finding the Fourth Proportional to 10,358,863,999.90, 15,538,295,999.85 and 9,270,472,831.90

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Solution

The fourth proportional to 10,358,863,999.90, 15,538,295,999.85 and 9,270,472,831.90 is: 13,905,709,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358,863,999.90 : 15,538,295,999.85 = 9,270,472,831.90 : x
  2. Step 2: Convert to fraction form
    10,358,863,999.90/15,538,295,999.85 = 9,270,472,831.90/x
  3. Step 3: Cross multiply
    10,358,863,999.90x = 15,538,295,999.85 × 9,270,472,831.90
  4. Step 4: Simplify right side
    10,358,863,999.90x = 144,047,350,920,629,862,400
  5. Step 5: Solve for x
    x = 144,047,350,920,629,862,400/10,358,863,999.90
  6. Step 6: Final answer
    x = 13,905,709,247.85

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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.