Home / 340,544,749,021.95-469,730,318,202.51-218,416,039,301.57

Finding the Fourth Proportional to 340,544,749,021.95, 469,730,318,202.51 and 218,416,039,301.57

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Solution

The fourth proportional to 340,544,749,021.95, 469,730,318,202.51 and 218,416,039,301.57 is: 301,272,111,627.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,544,749,021.95 : 469,730,318,202.51 = 218,416,039,301.57 : x
  2. Step 2: Convert to fraction form
    340,544,749,021.95/469,730,318,202.51 = 218,416,039,301.57/x
  3. Step 3: Cross multiply
    340,544,749,021.95x = 469,730,318,202.51 × 218,416,039,301.57
  4. Step 4: Simplify right side
    340,544,749,021.95x = 102,596,635,641,658,417,872,896
  5. Step 5: Solve for x
    x = 102,596,635,641,658,417,872,896/340,544,749,021.95
  6. Step 6: Final answer
    x = 301,272,111,627.97

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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.