Home / 1,771,715,427.80-2,656,776,879.30-680,835,939.80

Finding the Fourth Proportional to 1,771,715,427.80, 2,656,776,879.30 and 680,835,939.80

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Solution

The fourth proportional to 1,771,715,427.80, 2,656,776,879.30 and 680,835,939.80 is: 1,020,947,921.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,715,427.80 : 2,656,776,879.30 = 680,835,939.80 : x
  2. Step 2: Convert to fraction form
    1,771,715,427.80/2,656,776,879.30 = 680,835,939.80/x
  3. Step 3: Cross multiply
    1,771,715,427.80x = 2,656,776,879.30 × 680,835,939.80
  4. Step 4: Simplify right side
    1,771,715,427.80x = 1,808,829,183,457,126,656
  5. Step 5: Solve for x
    x = 1,808,829,183,457,126,656/1,771,715,427.80
  6. Step 6: Final answer
    x = 1,020,947,921.47

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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.