Home / 1,607,027,077.80-2,217,939,409.26-980,859,376.80

Finding the Fourth Proportional to 1,607,027,077.80, 2,217,939,409.26 and 980,859,376.80

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Solution

The fourth proportional to 1,607,027,077.80, 2,217,939,409.26 and 980,859,376.80 is: 1,353,733,671.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607,027,077.80 : 2,217,939,409.26 = 980,859,376.80 : x
  2. Step 2: Convert to fraction form
    1,607,027,077.80/2,217,939,409.26 = 980,859,376.80/x
  3. Step 3: Cross multiply
    1,607,027,077.80x = 2,217,939,409.26 × 980,859,376.80
  4. Step 4: Simplify right side
    1,607,027,077.80x = 2,175,486,666,746,923,776
  5. Step 5: Solve for x
    x = 2,175,486,666,746,923,776/1,607,027,077.80
  6. Step 6: Final answer
    x = 1,353,733,671.82

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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.