Home / 429,335,430.10-644,003,145.15-429,335,430.10

Finding the Fourth Proportional to 429,335,430.10, 644,003,145.15 and 429,335,430.10

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Solution

The fourth proportional to 429,335,430.10, 644,003,145.15 and 429,335,430.10 is: 644,003,145.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,335,430.10 : 644,003,145.15 = 429,335,430.10 : x
  2. Step 2: Convert to fraction form
    429,335,430.10/644,003,145.15 = 429,335,430.10/x
  3. Step 3: Cross multiply
    429,335,430.10x = 644,003,145.15 × 429,335,430.10
  4. Step 4: Simplify right side
    429,335,430.10x = 276,493,367,308,728,000
  5. Step 5: Solve for x
    x = 276,493,367,308,728,000/429,335,430.10
  6. Step 6: Final answer
    x = 644,003,145.15

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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.