Home / 387,267,002.10-543,534,291.90-387,267,002.10

Finding the Fourth Proportional to 387,267,002.10, 543,534,291.90 and 387,267,002.10

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Solution

The fourth proportional to 387,267,002.10, 543,534,291.90 and 387,267,002.10 is: 543,534,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,267,002.10 : 543,534,291.90 = 387,267,002.10 : x
  2. Step 2: Convert to fraction form
    387,267,002.10/543,534,291.90 = 387,267,002.10/x
  3. Step 3: Cross multiply
    387,267,002.10x = 543,534,291.90 × 387,267,002.10
  4. Step 4: Simplify right side
    387,267,002.10x = 210,492,895,762,659,328
  5. Step 5: Solve for x
    x = 210,492,895,762,659,328/387,267,002.10
  6. Step 6: Final answer
    x = 543,534,291.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.