Home / 8,931,509,533.70-13,397,264,300.55-3,689,375,509.70

Finding the Fourth Proportional to 8,931,509,533.70, 13,397,264,300.55 and 3,689,375,509.70

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Solution

The fourth proportional to 8,931,509,533.70, 13,397,264,300.55 and 3,689,375,509.70 is: 5,534,063,264.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,509,533.70 : 13,397,264,300.55 = 3,689,375,509.70 : x
  2. Step 2: Convert to fraction form
    8,931,509,533.70/13,397,264,300.55 = 3,689,375,509.70/x
  3. Step 3: Cross multiply
    8,931,509,533.70x = 13,397,264,300.55 × 3,689,375,509.70
  4. Step 4: Simplify right side
    8,931,509,533.70x = 49,427,538,807,427,268,608
  5. Step 5: Solve for x
    x = 49,427,538,807,427,268,608/8,931,509,533.70
  6. Step 6: Final answer
    x = 5,534,063,264.55

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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.