Home / 456,962,715.50-630,608,547.39-261,392,427.50

Finding the Fourth Proportional to 456,962,715.50, 630,608,547.39 and 261,392,427.50

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Solution

The fourth proportional to 456,962,715.50, 630,608,547.39 and 261,392,427.50 is: 360,721,549.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,962,715.50 : 630,608,547.39 = 261,392,427.50 : x
  2. Step 2: Convert to fraction form
    456,962,715.50/630,608,547.39 = 261,392,427.50/x
  3. Step 3: Cross multiply
    456,962,715.50x = 630,608,547.39 × 261,392,427.50
  4. Step 4: Simplify right side
    456,962,715.50x = 164,836,299,004,520,896
  5. Step 5: Solve for x
    x = 164,836,299,004,520,896/456,962,715.50
  6. Step 6: Final answer
    x = 360,721,549.95

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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.