Home / 745,299,208-1,028,516,985.12-432,219,046.72

Finding the Fourth Proportional to 745,299,208, 1,028,516,985.12 and 432,219,046.72

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Solution

The fourth proportional to 745,299,208, 1,028,516,985.12 and 432,219,046.72 is: 596,464,649.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,299,208 : 1,028,516,985.12 = 432,219,046.72 : x
  2. Step 2: Convert to fraction form
    745,299,208/1,028,516,985.12 = 432,219,046.72/x
  3. Step 3: Cross multiply
    745,299,208x = 1,028,516,985.12 × 432,219,046.72
  4. Step 4: Simplify right side
    745,299,208x = 444,544,630,843,894,848
  5. Step 5: Solve for x
    x = 444,544,630,843,894,848/745,299,208
  6. Step 6: Final answer
    x = 596,464,649.46

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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.