Home / 5,152,655,117.52-7,721,832,037.32-2,347,768,889.28

Finding the Fourth Proportional to 5,152,655,117.52, 7,721,832,037.32 and 2,347,768,889.28

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Solution

The fourth proportional to 5,152,655,117.52, 7,721,832,037.32 and 2,347,768,889.28 is: 3,518,395,198.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,655,117.52 : 7,721,832,037.32 = 2,347,768,889.28 : x
  2. Step 2: Convert to fraction form
    5,152,655,117.52/7,721,832,037.32 = 2,347,768,889.28/x
  3. Step 3: Cross multiply
    5,152,655,117.52x = 7,721,832,037.32 × 2,347,768,889.28
  4. Step 4: Simplify right side
    5,152,655,117.52x = 18,129,077,025,465,497,600
  5. Step 5: Solve for x
    x = 18,129,077,025,465,497,600/5,152,655,117.52
  6. Step 6: Final answer
    x = 3,518,395,198.59

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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.