Home / 1,003,333,931.40-1,505,000,897.10-636,001,912.20

Finding the Fourth Proportional to 1,003,333,931.40, 1,505,000,897.10 and 636,001,912.20

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Solution

The fourth proportional to 1,003,333,931.40, 1,505,000,897.10 and 636,001,912.20 is: 954,002,868.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,333,931.40 : 1,505,000,897.10 = 636,001,912.20 : x
  2. Step 2: Convert to fraction form
    1,003,333,931.40/1,505,000,897.10 = 636,001,912.20/x
  3. Step 3: Cross multiply
    1,003,333,931.40x = 1,505,000,897.10 × 636,001,912.20
  4. Step 4: Simplify right side
    1,003,333,931.40x = 957,183,448,418,315,392
  5. Step 5: Solve for x
    x = 957,183,448,418,315,392/1,003,333,931.40
  6. Step 6: Final answer
    x = 954,002,868.30

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Half scale
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Double scale
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Similar ratio
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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.