Home / 224,412,480,739.01-309,689,390,385.30-121,530,399,039.21

Finding the Fourth Proportional to 224,412,480,739.01, 309,689,390,385.30 and 121,530,399,039.21

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Solution

The fourth proportional to 224,412,480,739.01, 309,689,390,385.30 and 121,530,399,039.21 is: 167,712,041,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,412,480,739.01 : 309,689,390,385.30 = 121,530,399,039.21 : x
  2. Step 2: Convert to fraction form
    224,412,480,739.01/309,689,390,385.30 = 121,530,399,039.21/x
  3. Step 3: Cross multiply
    224,412,480,739.01x = 309,689,390,385.30 × 121,530,399,039.21
  4. Step 4: Simplify right side
    224,412,480,739.01x = 37,636,675,191,735,192,649,728
  5. Step 5: Solve for x
    x = 37,636,675,191,735,192,649,728/224,412,480,739.01
  6. Step 6: Final answer
    x = 167,712,041,094.12

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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.