Home / 253,499,543,999.70-380,249,315,999.55-234,343,859,442.90

Finding the Fourth Proportional to 253,499,543,999.70, 380,249,315,999.55 and 234,343,859,442.90

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Solution

The fourth proportional to 253,499,543,999.70, 380,249,315,999.55 and 234,343,859,442.90 is: 351,515,789,164.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,499,543,999.70 : 380,249,315,999.55 = 234,343,859,442.90 : x
  2. Step 2: Convert to fraction form
    253,499,543,999.70/380,249,315,999.55 = 234,343,859,442.90/x
  3. Step 3: Cross multiply
    253,499,543,999.70x = 380,249,315,999.55 × 234,343,859,442.90
  4. Step 4: Simplify right side
    253,499,543,999.70x = 89,109,092,261,857,402,552,320
  5. Step 5: Solve for x
    x = 89,109,092,261,857,402,552,320/253,499,543,999.70
  6. Step 6: Final answer
    x = 351,515,789,164.35

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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.