Home / 1,224,779,947.20-1,837,169,920.80-880,406,179.20

Finding the Fourth Proportional to 1,224,779,947.20, 1,837,169,920.80 and 880,406,179.20

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Solution

The fourth proportional to 1,224,779,947.20, 1,837,169,920.80 and 880,406,179.20 is: 1,320,609,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,779,947.20 : 1,837,169,920.80 = 880,406,179.20 : x
  2. Step 2: Convert to fraction form
    1,224,779,947.20/1,837,169,920.80 = 880,406,179.20/x
  3. Step 3: Cross multiply
    1,224,779,947.20x = 1,837,169,920.80 × 880,406,179.20
  4. Step 4: Simplify right side
    1,224,779,947.20x = 1,617,455,750,512,694,528
  5. Step 5: Solve for x
    x = 1,617,455,750,512,694,528/1,224,779,947.20
  6. Step 6: Final answer
    x = 1,320,609,268.80

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Double scale
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1.5x scale

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.