Home / 1,992,038,437.70-2,988,505,554.15-611,916,632.90

Finding the Fourth Proportional to 1,992,038,437.70, 2,988,505,554.15 and 611,916,632.90

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Solution

The fourth proportional to 1,992,038,437.70, 2,988,505,554.15 and 611,916,632.90 is: 918,012,535.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,038,437.70 : 2,988,505,554.15 = 611,916,632.90 : x
  2. Step 2: Convert to fraction form
    1,992,038,437.70/2,988,505,554.15 = 611,916,632.90/x
  3. Step 3: Cross multiply
    1,992,038,437.70x = 2,988,505,554.15 × 611,916,632.90
  4. Step 4: Simplify right side
    1,992,038,437.70x = 1,828,716,256,098,416,640
  5. Step 5: Solve for x
    x = 1,828,716,256,098,416,640/1,992,038,437.70
  6. Step 6: Final answer
    x = 918,012,535.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.