Home / 1,454,465,728.37-2,007,168,834.99-819,393,840.29

Finding the Fourth Proportional to 1,454,465,728.37, 2,007,168,834.99 and 819,393,840.29

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Solution

The fourth proportional to 1,454,465,728.37, 2,007,168,834.99 and 819,393,840.29 is: 1,130,766,952.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,465,728.37 : 2,007,168,834.99 = 819,393,840.29 : x
  2. Step 2: Convert to fraction form
    1,454,465,728.37/2,007,168,834.99 = 819,393,840.29/x
  3. Step 3: Cross multiply
    1,454,465,728.37x = 2,007,168,834.99 × 819,393,840.29
  4. Step 4: Simplify right side
    1,454,465,728.37x = 1,644,661,779,812,861,440
  5. Step 5: Solve for x
    x = 1,644,661,779,812,861,440/1,454,465,728.37
  6. Step 6: Final answer
    x = 1,130,766,952.93

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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.