Home / 993,518,082,024.20-1,490,277,123,036.30-427,826,772,456.20

Finding the Fourth Proportional to 993,518,082,024.20, 1,490,277,123,036.30 and 427,826,772,456.20

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Solution

The fourth proportional to 993,518,082,024.20, 1,490,277,123,036.30 and 427,826,772,456.20 is: 641,740,158,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,518,082,024.20 : 1,490,277,123,036.30 = 427,826,772,456.20 : x
  2. Step 2: Convert to fraction form
    993,518,082,024.20/1,490,277,123,036.30 = 427,826,772,456.20/x
  3. Step 3: Cross multiply
    993,518,082,024.20x = 1,490,277,123,036.30 × 427,826,772,456.20
  4. Step 4: Simplify right side
    993,518,082,024.20x = 637,580,451,613,931,544,248,320
  5. Step 5: Solve for x
    x = 637,580,451,613,931,544,248,320/993,518,082,024.20
  6. Step 6: Final answer
    x = 641,740,158,684.30

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Double scale
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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.