Home / 910,245,445.32-1,365,368,831.64-220,153,363.86

Finding the Fourth Proportional to 910,245,445.32, 1,365,368,831.64 and 220,153,363.86

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Solution

The fourth proportional to 910,245,445.32, 1,365,368,831.64 and 220,153,363.86 is: 330,230,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,245,445.32 : 1,365,368,831.64 = 220,153,363.86 : x
  2. Step 2: Convert to fraction form
    910,245,445.32/1,365,368,831.64 = 220,153,363.86/x
  3. Step 3: Cross multiply
    910,245,445.32x = 1,365,368,831.64 × 220,153,363.86
  4. Step 4: Simplify right side
    910,245,445.32x = 300,590,541,195,144,064
  5. Step 5: Solve for x
    x = 300,590,541,195,144,064/910,245,445.32
  6. Step 6: Final answer
    x = 330,230,206.30

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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.