Home / 342,422,666.34-469,637,814.95-328,360,612.74

Finding the Fourth Proportional to 342,422,666.34, 469,637,814.95 and 328,360,612.74

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Solution

The fourth proportional to 342,422,666.34, 469,637,814.95 and 328,360,612.74 is: 450,351,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,422,666.34 : 469,637,814.95 = 328,360,612.74 : x
  2. Step 2: Convert to fraction form
    342,422,666.34/469,637,814.95 = 328,360,612.74/x
  3. Step 3: Cross multiply
    342,422,666.34x = 469,637,814.95 × 328,360,612.74
  4. Step 4: Simplify right side
    342,422,666.34x = 154,210,560,681,214,944
  5. Step 5: Solve for x
    x = 154,210,560,681,214,944/342,422,666.34
  6. Step 6: Final answer
    x = 450,351,497.84

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.