Home / 314,930,427.30-472,395,640.95-303,451,301.70

Finding the Fourth Proportional to 314,930,427.30, 472,395,640.95 and 303,451,301.70

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Solution

The fourth proportional to 314,930,427.30, 472,395,640.95 and 303,451,301.70 is: 455,176,952.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,930,427.30 : 472,395,640.95 = 303,451,301.70 : x
  2. Step 2: Convert to fraction form
    314,930,427.30/472,395,640.95 = 303,451,301.70/x
  3. Step 3: Cross multiply
    314,930,427.30x = 472,395,640.95 × 303,451,301.70
  4. Step 4: Simplify right side
    314,930,427.30x = 143,349,072,163,683,312
  5. Step 5: Solve for x
    x = 143,349,072,163,683,312/314,930,427.30
  6. Step 6: Final answer
    x = 455,176,952.55

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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.