Home / 314,791,318.20-472,186,977.30-290,604,847.80

Finding the Fourth Proportional to 314,791,318.20, 472,186,977.30 and 290,604,847.80

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Solution

The fourth proportional to 314,791,318.20, 472,186,977.30 and 290,604,847.80 is: 435,907,271.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,791,318.20 : 472,186,977.30 = 290,604,847.80 : x
  2. Step 2: Convert to fraction form
    314,791,318.20/472,186,977.30 = 290,604,847.80/x
  3. Step 3: Cross multiply
    314,791,318.20x = 472,186,977.30 × 290,604,847.80
  4. Step 4: Simplify right side
    314,791,318.20x = 137,219,824,671,408,560
  5. Step 5: Solve for x
    x = 137,219,824,671,408,560/314,791,318.20
  6. Step 6: Final answer
    x = 435,907,271.70

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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.