Home / 342,360,820.02-472,418,073.54-191,661,727.98

Finding the Fourth Proportional to 342,360,820.02, 472,418,073.54 and 191,661,727.98

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Solution

The fourth proportional to 342,360,820.02, 472,418,073.54 and 191,661,727.98 is: 264,470,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,360,820.02 : 472,418,073.54 = 191,661,727.98 : x
  2. Step 2: Convert to fraction form
    342,360,820.02/472,418,073.54 = 191,661,727.98/x
  3. Step 3: Cross multiply
    342,360,820.02x = 472,418,073.54 × 191,661,727.98
  4. Step 4: Simplify right side
    342,360,820.02x = 90,544,464,303,659,120
  5. Step 5: Solve for x
    x = 90,544,464,303,659,120/342,360,820.02
  6. Step 6: Final answer
    x = 264,470,871.11

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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.