Home / 472,888,363.02-709,400,237.66-145,391,370.57

Finding the Fourth Proportional to 472,888,363.02, 709,400,237.66 and 145,391,370.57

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Solution

The fourth proportional to 472,888,363.02, 709,400,237.66 and 145,391,370.57 is: 218,107,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,888,363.02 : 709,400,237.66 = 145,391,370.57 : x
  2. Step 2: Convert to fraction form
    472,888,363.02/709,400,237.66 = 145,391,370.57/x
  3. Step 3: Cross multiply
    472,888,363.02x = 709,400,237.66 × 145,391,370.57
  4. Step 4: Simplify right side
    472,888,363.02x = 103,140,672,835,344,160
  5. Step 5: Solve for x
    x = 103,140,672,835,344,160/472,888,363.02
  6. Step 6: Final answer
    x = 218,107,868.37

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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.