Home / 1,203,494,878.72-1,805,366,010.47-416,547,244.02

Finding the Fourth Proportional to 1,203,494,878.72, 1,805,366,010.47 and 416,547,244.02

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Solution

The fourth proportional to 1,203,494,878.72, 1,805,366,010.47 and 416,547,244.02 is: 624,863,677.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,494,878.72 : 1,805,366,010.47 = 416,547,244.02 : x
  2. Step 2: Convert to fraction form
    1,203,494,878.72/1,805,366,010.47 = 416,547,244.02/x
  3. Step 3: Cross multiply
    1,203,494,878.72x = 1,805,366,010.47 × 416,547,244.02
  4. Step 4: Simplify right side
    1,203,494,878.72x = 752,020,236,103,184,128
  5. Step 5: Solve for x
    x = 752,020,236,103,184,128/1,203,494,878.72
  6. Step 6: Final answer
    x = 624,863,677.78

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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.