Home / 489,275,196.32-675,199,881.15-269,258,622.32

Finding the Fourth Proportional to 489,275,196.32, 675,199,881.15 and 269,258,622.32

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Solution

The fourth proportional to 489,275,196.32, 675,199,881.15 and 269,258,622.32 is: 371,576,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,275,196.32 : 675,199,881.15 = 269,258,622.32 : x
  2. Step 2: Convert to fraction form
    489,275,196.32/675,199,881.15 = 269,258,622.32/x
  3. Step 3: Cross multiply
    489,275,196.32x = 675,199,881.15 × 269,258,622.32
  4. Step 4: Simplify right side
    489,275,196.32x = 181,803,389,791,270,944
  5. Step 5: Solve for x
    x = 181,803,389,791,270,944/489,275,196.32
  6. Step 6: Final answer
    x = 371,576,959.47

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1.5x scale

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.