Home / 315,044,352.70-472,566,529.05-272,577,024.70

Finding the Fourth Proportional to 315,044,352.70, 472,566,529.05 and 272,577,024.70

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Solution

The fourth proportional to 315,044,352.70, 472,566,529.05 and 272,577,024.70 is: 408,865,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,044,352.70 : 472,566,529.05 = 272,577,024.70 : x
  2. Step 2: Convert to fraction form
    315,044,352.70/472,566,529.05 = 272,577,024.70/x
  3. Step 3: Cross multiply
    315,044,352.70x = 472,566,529.05 × 272,577,024.70
  4. Step 4: Simplify right side
    315,044,352.70x = 128,810,778,461,255,120
  5. Step 5: Solve for x
    x = 128,810,778,461,255,120/315,044,352.70
  6. Step 6: Final answer
    x = 408,865,537.05

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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.