Home / 540,150,285.40-745,408,150.22-292,631,639.65

Finding the Fourth Proportional to 540,150,285.40, 745,408,150.22 and 292,631,639.65

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Solution

The fourth proportional to 540,150,285.40, 745,408,150.22 and 292,631,639.65 is: 403,832,072.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,150,285.40 : 745,408,150.22 = 292,631,639.65 : x
  2. Step 2: Convert to fraction form
    540,150,285.40/745,408,150.22 = 292,631,639.65/x
  3. Step 3: Cross multiply
    540,150,285.40x = 745,408,150.22 × 292,631,639.65
  4. Step 4: Simplify right side
    540,150,285.40x = 218,130,009,206,220,128
  5. Step 5: Solve for x
    x = 218,130,009,206,220,128/540,150,285.40
  6. Step 6: Final answer
    x = 403,832,072.49

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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.