Home / 1,125,725,804.56-1,688,580,204.69-338,776,069.46

Finding the Fourth Proportional to 1,125,725,804.56, 1,688,580,204.69 and 338,776,069.46

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Solution

The fourth proportional to 1,125,725,804.56, 1,688,580,204.69 and 338,776,069.46 is: 508,161,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,725,804.56 : 1,688,580,204.69 = 338,776,069.46 : x
  2. Step 2: Convert to fraction form
    1,125,725,804.56/1,688,580,204.69 = 338,776,069.46/x
  3. Step 3: Cross multiply
    1,125,725,804.56x = 1,688,580,204.69 × 338,776,069.46
  4. Step 4: Simplify right side
    1,125,725,804.56x = 572,050,564,715,174,720
  5. Step 5: Solve for x
    x = 572,050,564,715,174,720/1,125,725,804.56
  6. Step 6: Final answer
    x = 508,161,545.56

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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.