Home / 1,500,588,689.38-2,070,824,550.12-831,544,909.84

Finding the Fourth Proportional to 1,500,588,689.38, 2,070,824,550.12 and 831,544,909.84

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Solution

The fourth proportional to 1,500,588,689.38, 2,070,824,550.12 and 831,544,909.84 is: 1,147,538,713.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,588,689.38 : 2,070,824,550.12 = 831,544,909.84 : x
  2. Step 2: Convert to fraction form
    1,500,588,689.38/2,070,824,550.12 = 831,544,909.84/x
  3. Step 3: Cross multiply
    1,500,588,689.38x = 2,070,824,550.12 × 831,544,909.84
  4. Step 4: Simplify right side
    1,500,588,689.38x = 1,721,983,613,823,993,856
  5. Step 5: Solve for x
    x = 1,721,983,613,823,993,856/1,500,588,689.38
  6. Step 6: Final answer
    x = 1,147,538,713.31

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Half scale
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Double scale
Find fourth proportional to 1,500,588,690.38, 2,070,824,551.50 and 831,544,910.84
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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.