Home / 1,120,140,021.48-1,680,210,032.22-302,251,010.28

Finding the Fourth Proportional to 1,120,140,021.48, 1,680,210,032.22 and 302,251,010.28

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Solution

The fourth proportional to 1,120,140,021.48, 1,680,210,032.22 and 302,251,010.28 is: 453,376,515.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,140,021.48 : 1,680,210,032.22 = 302,251,010.28 : x
  2. Step 2: Convert to fraction form
    1,120,140,021.48/1,680,210,032.22 = 302,251,010.28/x
  3. Step 3: Cross multiply
    1,120,140,021.48x = 1,680,210,032.22 × 302,251,010.28
  4. Step 4: Simplify right side
    1,120,140,021.48x = 507,845,179,721,086,336
  5. Step 5: Solve for x
    x = 507,845,179,721,086,336/1,120,140,021.48
  6. Step 6: Final answer
    x = 453,376,515.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.