Home / 412,547,427.88-569,326,221.06-226,913,315.10

Finding the Fourth Proportional to 412,547,427.88, 569,326,221.06 and 226,913,315.10

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Solution

The fourth proportional to 412,547,427.88, 569,326,221.06 and 226,913,315.10 is: 313,146,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,547,427.88 : 569,326,221.06 = 226,913,315.10 : x
  2. Step 2: Convert to fraction form
    412,547,427.88/569,326,221.06 = 226,913,315.10/x
  3. Step 3: Cross multiply
    412,547,427.88x = 569,326,221.06 × 226,913,315.10
  4. Step 4: Simplify right side
    412,547,427.88x = 129,187,700,194,080,016
  5. Step 5: Solve for x
    x = 129,187,700,194,080,016/412,547,427.88
  6. Step 6: Final answer
    x = 313,146,298.98

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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.