Home / 886,948,182.72-1,330,407,637.20-265,164,870.24

Finding the Fourth Proportional to 886,948,182.72, 1,330,407,637.20 and 265,164,870.24

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Solution

The fourth proportional to 886,948,182.72, 1,330,407,637.20 and 265,164,870.24 is: 397,742,929.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,948,182.72 : 1,330,407,637.20 = 265,164,870.24 : x
  2. Step 2: Convert to fraction form
    886,948,182.72/1,330,407,637.20 = 265,164,870.24/x
  3. Step 3: Cross multiply
    886,948,182.72x = 1,330,407,637.20 × 265,164,870.24
  4. Step 4: Simplify right side
    886,948,182.72x = 352,777,368,484,443,008
  5. Step 5: Solve for x
    x = 352,777,368,484,443,008/886,948,182.72
  6. Step 6: Final answer
    x = 397,742,929.47

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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.