Home / 456,962,715.31-630,608,547.13-261,392,427.31

Finding the Fourth Proportional to 456,962,715.31, 630,608,547.13 and 261,392,427.31

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Solution

The fourth proportional to 456,962,715.31, 630,608,547.13 and 261,392,427.31 is: 360,721,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,962,715.31 : 630,608,547.13 = 261,392,427.31 : x
  2. Step 2: Convert to fraction form
    456,962,715.31/630,608,547.13 = 261,392,427.31/x
  3. Step 3: Cross multiply
    456,962,715.31x = 630,608,547.13 × 261,392,427.31
  4. Step 4: Simplify right side
    456,962,715.31x = 164,836,298,818,646,496
  5. Step 5: Solve for x
    x = 164,836,298,818,646,496/456,962,715.31
  6. Step 6: Final answer
    x = 360,721,549.69

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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.