Home / 472,573,266.30-708,859,899.45-127,526,339.70

Finding the Fourth Proportional to 472,573,266.30, 708,859,899.45 and 127,526,339.70

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Solution

The fourth proportional to 472,573,266.30, 708,859,899.45 and 127,526,339.70 is: 191,289,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,573,266.30 : 708,859,899.45 = 127,526,339.70 : x
  2. Step 2: Convert to fraction form
    472,573,266.30/708,859,899.45 = 127,526,339.70/x
  3. Step 3: Cross multiply
    472,573,266.30x = 708,859,899.45 × 127,526,339.70
  4. Step 4: Simplify right side
    472,573,266.30x = 90,398,308,336,968,544
  5. Step 5: Solve for x
    x = 90,398,308,336,968,544/472,573,266.30
  6. Step 6: Final answer
    x = 191,289,509.55

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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.