Home / 265,974,404,509.50-399,598,079,623.89-170,547,386,372.29

Finding the Fourth Proportional to 265,974,404,509.50, 399,598,079,623.89 and 170,547,386,372.29

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Solution

The fourth proportional to 265,974,404,509.50, 399,598,079,623.89 and 170,547,386,372.29 is: 256,229,196,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,974,404,509.50 : 399,598,079,623.89 = 170,547,386,372.29 : x
  2. Step 2: Convert to fraction form
    265,974,404,509.50/399,598,079,623.89 = 170,547,386,372.29/x
  3. Step 3: Cross multiply
    265,974,404,509.50x = 399,598,079,623.89 × 170,547,386,372.29
  4. Step 4: Simplify right side
    265,974,404,509.50x = 68,150,408,079,240,679,391,232
  5. Step 5: Solve for x
    x = 68,150,408,079,240,679,391,232/265,974,404,509.50
  6. Step 6: Final answer
    x = 256,229,196,959.46

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1.5x scale

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.