Home / 1,064,924,449.40-1,597,386,674.10-720,939,092.60

Finding the Fourth Proportional to 1,064,924,449.40, 1,597,386,674.10 and 720,939,092.60

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Solution

The fourth proportional to 1,064,924,449.40, 1,597,386,674.10 and 720,939,092.60 is: 1,081,408,638.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,924,449.40 : 1,597,386,674.10 = 720,939,092.60 : x
  2. Step 2: Convert to fraction form
    1,064,924,449.40/1,597,386,674.10 = 720,939,092.60/x
  3. Step 3: Cross multiply
    1,064,924,449.40x = 1,597,386,674.10 × 720,939,092.60
  4. Step 4: Simplify right side
    1,064,924,449.40x = 1,151,618,499,356,985,856
  5. Step 5: Solve for x
    x = 1,151,618,499,356,985,856/1,064,924,449.40
  6. Step 6: Final answer
    x = 1,081,408,638.90

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Double scale
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1.5x scale

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.