Home / 1,251,392,829.18-1,728,355,360.44-824,140,037.61

Finding the Fourth Proportional to 1,251,392,829.18, 1,728,355,360.44 and 824,140,037.61

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Solution

The fourth proportional to 1,251,392,829.18, 1,728,355,360.44 and 824,140,037.61 is: 1,138,257,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,392,829.18 : 1,728,355,360.44 = 824,140,037.61 : x
  2. Step 2: Convert to fraction form
    1,251,392,829.18/1,728,355,360.44 = 824,140,037.61/x
  3. Step 3: Cross multiply
    1,251,392,829.18x = 1,728,355,360.44 × 824,140,037.61
  4. Step 4: Simplify right side
    1,251,392,829.18x = 1,424,406,851,756,466,688
  5. Step 5: Solve for x
    x = 1,424,406,851,756,466,688/1,251,392,829.18
  6. Step 6: Final answer
    x = 1,138,257,163.17

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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.