Home / 774,336,485.57-1,068,584,503.82-421,912,476.27

Finding the Fourth Proportional to 774,336,485.57, 1,068,584,503.82 and 421,912,476.27

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Solution

The fourth proportional to 774,336,485.57, 1,068,584,503.82 and 421,912,476.27 is: 582,239,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,336,485.57 : 1,068,584,503.82 = 421,912,476.27 : x
  2. Step 2: Convert to fraction form
    774,336,485.57/1,068,584,503.82 = 421,912,476.27/x
  3. Step 3: Cross multiply
    774,336,485.57x = 1,068,584,503.82 × 421,912,476.27
  4. Step 4: Simplify right side
    774,336,485.57x = 450,849,134,108,335,936
  5. Step 5: Solve for x
    x = 450,849,134,108,335,936/774,336,485.57
  6. Step 6: Final answer
    x = 582,239,301.02

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1.5x scale

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.