Home / 1,779,626,807.40-2,667,550,643.10-858,903,306.60

Finding the Fourth Proportional to 1,779,626,807.40, 2,667,550,643.10 and 858,903,306.60

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Solution

The fourth proportional to 1,779,626,807.40, 2,667,550,643.10 and 858,903,306.60 is: 1,287,442,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,626,807.40 : 2,667,550,643.10 = 858,903,306.60 : x
  2. Step 2: Convert to fraction form
    1,779,626,807.40/2,667,550,643.10 = 858,903,306.60/x
  3. Step 3: Cross multiply
    1,779,626,807.40x = 2,667,550,643.10 × 858,903,306.60
  4. Step 4: Simplify right side
    1,779,626,807.40x = 2,291,168,067,881,546,496
  5. Step 5: Solve for x
    x = 2,291,168,067,881,546,496/1,779,626,807.40
  6. Step 6: Final answer
    x = 1,287,442,995.55

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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.