Home / 1,430,785,603.20-2,146,178,404.80-510,691,958.40

Finding the Fourth Proportional to 1,430,785,603.20, 2,146,178,404.80 and 510,691,958.40

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Solution

The fourth proportional to 1,430,785,603.20, 2,146,178,404.80 and 510,691,958.40 is: 766,037,937.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,785,603.20 : 2,146,178,404.80 = 510,691,958.40 : x
  2. Step 2: Convert to fraction form
    1,430,785,603.20/2,146,178,404.80 = 510,691,958.40/x
  3. Step 3: Cross multiply
    1,430,785,603.20x = 2,146,178,404.80 × 510,691,958.40
  4. Step 4: Simplify right side
    1,430,785,603.20x = 1,096,036,052,623,099,904
  5. Step 5: Solve for x
    x = 1,096,036,052,623,099,904/1,430,785,603.20
  6. Step 6: Final answer
    x = 766,037,937.60

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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.