Home / 565,107,445-779,673,009.54-329,988,498.76

Finding the Fourth Proportional to 565,107,445, 779,673,009.54 and 329,988,498.76

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Solution

The fourth proportional to 565,107,445, 779,673,009.54 and 329,988,498.76 is: 455,281,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,107,445 : 779,673,009.54 = 329,988,498.76 : x
  2. Step 2: Convert to fraction form
    565,107,445/779,673,009.54 = 329,988,498.76/x
  3. Step 3: Cross multiply
    565,107,445x = 779,673,009.54 × 329,988,498.76
  4. Step 4: Simplify right side
    565,107,445x = 257,283,125,941,795,744
  5. Step 5: Solve for x
    x = 257,283,125,941,795,744/565,107,445
  6. Step 6: Final answer
    x = 455,281,784.41

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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.