Home / 885,065,380.76-1,221,358,214.25-488,579,860.59

Finding the Fourth Proportional to 885,065,380.76, 1,221,358,214.25 and 488,579,860.59

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Solution

The fourth proportional to 885,065,380.76, 1,221,358,214.25 and 488,579,860.59 is: 674,222,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,065,380.76 : 1,221,358,214.25 = 488,579,860.59 : x
  2. Step 2: Convert to fraction form
    885,065,380.76/1,221,358,214.25 = 488,579,860.59/x
  3. Step 3: Cross multiply
    885,065,380.76x = 1,221,358,214.25 × 488,579,860.59
  4. Step 4: Simplify right side
    885,065,380.76x = 596,731,026,048,716,288
  5. Step 5: Solve for x
    x = 596,731,026,048,716,288/885,065,380.76
  6. Step 6: Final answer
    x = 674,222,536.58

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1.5x scale

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.