Home / 1,603,388,142.88-2,404,492,305.36-553,859,280.16

Finding the Fourth Proportional to 1,603,388,142.88, 2,404,492,305.36 and 553,859,280.16

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Solution

The fourth proportional to 1,603,388,142.88, 2,404,492,305.36 and 553,859,280.16 is: 830,585,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,388,142.88 : 2,404,492,305.36 = 553,859,280.16 : x
  2. Step 2: Convert to fraction form
    1,603,388,142.88/2,404,492,305.36 = 553,859,280.16/x
  3. Step 3: Cross multiply
    1,603,388,142.88x = 2,404,492,305.36 × 553,859,280.16
  4. Step 4: Simplify right side
    1,603,388,142.88x = 1,331,750,377,396,948,480
  5. Step 5: Solve for x
    x = 1,331,750,377,396,948,480/1,603,388,142.88
  6. Step 6: Final answer
    x = 830,585,147.65

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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.