Home / 908,725,910.66-1,254,041,703.52-491,038,184.06

Finding the Fourth Proportional to 908,725,910.66, 1,254,041,703.52 and 491,038,184.06

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Solution

The fourth proportional to 908,725,910.66, 1,254,041,703.52 and 491,038,184.06 is: 677,632,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,725,910.66 : 1,254,041,703.52 = 491,038,184.06 : x
  2. Step 2: Convert to fraction form
    908,725,910.66/1,254,041,703.52 = 491,038,184.06/x
  3. Step 3: Cross multiply
    908,725,910.66x = 1,254,041,703.52 × 491,038,184.06
  4. Step 4: Simplify right side
    908,725,910.66x = 615,782,360,831,969,664
  5. Step 5: Solve for x
    x = 615,782,360,831,969,664/908,725,910.66
  6. Step 6: Final answer
    x = 677,632,665.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.