Home / 475,314,221.48-712,468,130.64-159,879,967.31

Finding the Fourth Proportional to 475,314,221.48, 712,468,130.64 and 159,879,967.31

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Solution

The fourth proportional to 475,314,221.48, 712,468,130.64 and 159,879,967.31 is: 239,650,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,314,221.48 : 712,468,130.64 = 159,879,967.31 : x
  2. Step 2: Convert to fraction form
    475,314,221.48/712,468,130.64 = 159,879,967.31/x
  3. Step 3: Cross multiply
    475,314,221.48x = 712,468,130.64 × 159,879,967.31
  4. Step 4: Simplify right side
    475,314,221.48x = 113,909,381,432,577,664
  5. Step 5: Solve for x
    x = 113,909,381,432,577,664/475,314,221.48
  6. Step 6: Final answer
    x = 239,650,690.61

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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.