Home / 786,657,806.64-1,085,587,990.20-434,234,026.44

Finding the Fourth Proportional to 786,657,806.64, 1,085,587,990.20 and 434,234,026.44

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Solution

The fourth proportional to 786,657,806.64, 1,085,587,990.20 and 434,234,026.44 is: 599,243,076.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,657,806.64 : 1,085,587,990.20 = 434,234,026.44 : x
  2. Step 2: Convert to fraction form
    786,657,806.64/1,085,587,990.20 = 434,234,026.44/x
  3. Step 3: Cross multiply
    786,657,806.64x = 1,085,587,990.20 × 434,234,026.44
  4. Step 4: Simplify right side
    786,657,806.64x = 471,399,244,039,453,248
  5. Step 5: Solve for x
    x = 471,399,244,039,453,248/786,657,806.64
  6. Step 6: Final answer
    x = 599,243,076.29

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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.