Home / 470,070,928.25-648,014,193.28-328,502,618.34

Finding the Fourth Proportional to 470,070,928.25, 648,014,193.28 and 328,502,618.34

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Solution

The fourth proportional to 470,070,928.25, 648,014,193.28 and 328,502,618.34 is: 452,855,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,070,928.25 : 648,014,193.28 = 328,502,618.34 : x
  2. Step 2: Convert to fraction form
    470,070,928.25/648,014,193.28 = 328,502,618.34/x
  3. Step 3: Cross multiply
    470,070,928.25x = 648,014,193.28 × 328,502,618.34
  4. Step 4: Simplify right side
    470,070,928.25x = 212,874,359,212,320,288
  5. Step 5: Solve for x
    x = 212,874,359,212,320,288/470,070,928.25
  6. Step 6: Final answer
    x = 452,855,827.53

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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.