Home / 420,058,052.10-630,087,078.15-363,434,948.10

Finding the Fourth Proportional to 420,058,052.10, 630,087,078.15 and 363,434,948.10

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Solution

The fourth proportional to 420,058,052.10, 630,087,078.15 and 363,434,948.10 is: 545,152,422.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,058,052.10 : 630,087,078.15 = 363,434,948.10 : x
  2. Step 2: Convert to fraction form
    420,058,052.10/630,087,078.15 = 363,434,948.10/x
  3. Step 3: Cross multiply
    420,058,052.10x = 630,087,078.15 × 363,434,948.10
  4. Step 4: Simplify right side
    420,058,052.10x = 228,995,664,545,925,888
  5. Step 5: Solve for x
    x = 228,995,664,545,925,888/420,058,052.10
  6. Step 6: Final answer
    x = 545,152,422.15

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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.