Home / 339,887,343,525.40-469,256,253,012.28-216,358,208,050.19

Finding the Fourth Proportional to 339,887,343,525.40, 469,256,253,012.28 and 216,358,208,050.19

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Solution

The fourth proportional to 339,887,343,525.40, 469,256,253,012.28 and 216,358,208,050.19 is: 298,709,098,623.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,887,343,525.40 : 469,256,253,012.28 = 216,358,208,050.19 : x
  2. Step 2: Convert to fraction form
    339,887,343,525.40/469,256,253,012.28 = 216,358,208,050.19/x
  3. Step 3: Cross multiply
    339,887,343,525.40x = 469,256,253,012.28 × 216,358,208,050.19
  4. Step 4: Simplify right side
    339,887,343,525.40x = 101,527,442,018,083,478,175,744
  5. Step 5: Solve for x
    x = 101,527,442,018,083,478,175,744/339,887,343,525.40
  6. Step 6: Final answer
    x = 298,709,098,623.72

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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.