Home / 1,607,027,147.55-2,217,939,505.47-980,859,446.51

Finding the Fourth Proportional to 1,607,027,147.55, 2,217,939,505.47 and 980,859,446.51

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Solution

The fourth proportional to 1,607,027,147.55, 2,217,939,505.47 and 980,859,446.51 is: 1,353,733,767.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,027,147.55 : 2,217,939,505.47 = 980,859,446.51 : x
  2. Step 2: Convert to fraction form
    1,607,027,147.55/2,217,939,505.47 = 980,859,446.51/x
  3. Step 3: Cross multiply
    1,607,027,147.55x = 2,217,939,505.47 × 980,859,446.51
  4. Step 4: Simplify right side
    1,607,027,147.55x = 2,175,486,915,716,877,312
  5. Step 5: Solve for x
    x = 2,175,486,915,716,877,312/1,607,027,147.55
  6. Step 6: Final answer
    x = 1,353,733,767.99

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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.