Home / 1,157,169,809.70-1,596,907,245.06-680,965,431.30

Finding the Fourth Proportional to 1,157,169,809.70, 1,596,907,245.06 and 680,965,431.30

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Solution

The fourth proportional to 1,157,169,809.70, 1,596,907,245.06 and 680,965,431.30 is: 939,739,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,169,809.70 : 1,596,907,245.06 = 680,965,431.30 : x
  2. Step 2: Convert to fraction form
    1,157,169,809.70/1,596,907,245.06 = 680,965,431.30/x
  3. Step 3: Cross multiply
    1,157,169,809.70x = 1,596,907,245.06 × 680,965,431.30
  4. Step 4: Simplify right side
    1,157,169,809.70x = 1,087,438,630,878,377,600
  5. Step 5: Solve for x
    x = 1,087,438,630,878,377,600/1,157,169,809.70
  6. Step 6: Final answer
    x = 939,739,891.04

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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.