Home / 934,751,238.15-1,402,126,857.23-389,421,913.35

Finding the Fourth Proportional to 934,751,238.15, 1,402,126,857.23 and 389,421,913.35

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Solution

The fourth proportional to 934,751,238.15, 1,402,126,857.23 and 389,421,913.35 is: 584,132,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,751,238.15 : 1,402,126,857.23 = 389,421,913.35 : x
  2. Step 2: Convert to fraction form
    934,751,238.15/1,402,126,857.23 = 389,421,913.35/x
  3. Step 3: Cross multiply
    934,751,238.15x = 1,402,126,857.23 × 389,421,913.35
  4. Step 4: Simplify right side
    934,751,238.15x = 546,018,923,499,981,760
  5. Step 5: Solve for x
    x = 546,018,923,499,981,760/934,751,238.15
  6. Step 6: Final answer
    x = 584,132,870.03

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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.