Home / 560,009,263.52-772,812,859.30-309,113,702.70

Finding the Fourth Proportional to 560,009,263.52, 772,812,859.30 and 309,113,702.70

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Solution

The fourth proportional to 560,009,263.52, 772,812,859.30 and 309,113,702.70 is: 426,576,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,009,263.52 : 772,812,859.30 = 309,113,702.70 : x
  2. Step 2: Convert to fraction form
    560,009,263.52/772,812,859.30 = 309,113,702.70/x
  3. Step 3: Cross multiply
    560,009,263.52x = 772,812,859.30 × 309,113,702.70
  4. Step 4: Simplify right side
    560,009,263.52x = 238,887,044,432,397,120
  5. Step 5: Solve for x
    x = 238,887,044,432,397,120/560,009,263.52
  6. Step 6: Final answer
    x = 426,576,951.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.