Home / 646,101,285.08-968,948,641.10-209,300,625.14

Finding the Fourth Proportional to 646,101,285.08, 968,948,641.10 and 209,300,625.14

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Solution

The fourth proportional to 646,101,285.08, 968,948,641.10 and 209,300,625.14 is: 313,885,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,101,285.08 : 968,948,641.10 = 209,300,625.14 : x
  2. Step 2: Convert to fraction form
    646,101,285.08/968,948,641.10 = 209,300,625.14/x
  3. Step 3: Cross multiply
    646,101,285.08x = 968,948,641.10 × 209,300,625.14
  4. Step 4: Simplify right side
    646,101,285.08x = 202,801,556,306,461,984
  5. Step 5: Solve for x
    x = 202,801,556,306,461,984/646,101,285.08
  6. Step 6: Final answer
    x = 313,885,084.26

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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.