Home / 1,393,726,989.80-1,923,382,892.75-758,688,434.75

Finding the Fourth Proportional to 1,393,726,989.80, 1,923,382,892.75 and 758,688,434.75

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Solution

The fourth proportional to 1,393,726,989.80, 1,923,382,892.75 and 758,688,434.75 is: 1,047,011,622.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,726,989.80 : 1,923,382,892.75 = 758,688,434.75 : x
  2. Step 2: Convert to fraction form
    1,393,726,989.80/1,923,382,892.75 = 758,688,434.75/x
  3. Step 3: Cross multiply
    1,393,726,989.80x = 1,923,382,892.75 × 758,688,434.75
  4. Step 4: Simplify right side
    1,393,726,989.80x = 1,459,248,356,326,439,680
  5. Step 5: Solve for x
    x = 1,459,248,356,326,439,680/1,393,726,989.80
  6. Step 6: Final answer
    x = 1,047,011,622.08

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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.