Home / 472,392,340.20-708,588,510.30-127,333,603.80

Finding the Fourth Proportional to 472,392,340.20, 708,588,510.30 and 127,333,603.80

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Solution

The fourth proportional to 472,392,340.20, 708,588,510.30 and 127,333,603.80 is: 191,000,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,340.20 : 708,588,510.30 = 127,333,603.80 : x
  2. Step 2: Convert to fraction form
    472,392,340.20/708,588,510.30 = 127,333,603.80/x
  3. Step 3: Cross multiply
    472,392,340.20x = 708,588,510.30 × 127,333,603.80
  4. Step 4: Simplify right side
    472,392,340.20x = 90,227,128,627,772,416
  5. Step 5: Solve for x
    x = 90,227,128,627,772,416/472,392,340.20
  6. Step 6: Final answer
    x = 191,000,405.70

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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.