Home / 476,928,007.20-715,415,630.40-247,345,495.20

Finding the Fourth Proportional to 476,928,007.20, 715,415,630.40 and 247,345,495.20

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Solution

The fourth proportional to 476,928,007.20, 715,415,630.40 and 247,345,495.20 is: 371,030,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,007.20 : 715,415,630.40 = 247,345,495.20 : x
  2. Step 2: Convert to fraction form
    476,928,007.20/715,415,630.40 = 247,345,495.20/x
  3. Step 3: Cross multiply
    476,928,007.20x = 715,415,630.40 × 247,345,495.20
  4. Step 4: Simplify right side
    476,928,007.20x = 176,954,833,375,108,160
  5. Step 5: Solve for x
    x = 176,954,833,375,108,160/476,928,007.20
  6. Step 6: Final answer
    x = 371,030,492.45

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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.