Home / 1,012,836,810.83-1,397,861,000.40-583,591,889.51

Finding the Fourth Proportional to 1,012,836,810.83, 1,397,861,000.40 and 583,591,889.51

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Solution

The fourth proportional to 1,012,836,810.83, 1,397,861,000.40 and 583,591,889.51 is: 805,441,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,836,810.83 : 1,397,861,000.40 = 583,591,889.51 : x
  2. Step 2: Convert to fraction form
    1,012,836,810.83/1,397,861,000.40 = 583,591,889.51/x
  3. Step 3: Cross multiply
    1,012,836,810.83x = 1,397,861,000.40 × 583,591,889.51
  4. Step 4: Simplify right side
    1,012,836,810.83x = 815,780,342,496,186,880
  5. Step 5: Solve for x
    x = 815,780,342,496,186,880/1,012,836,810.83
  6. Step 6: Final answer
    x = 805,441,048.13

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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.