Home / 613,347,899,354.42-920,040,592,002.30-210,425,717,763.40

Finding the Fourth Proportional to 613,347,899,354.42, 920,040,592,002.30 and 210,425,717,763.40

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Solution

The fourth proportional to 613,347,899,354.42, 920,040,592,002.30 and 210,425,717,763.40 is: 315,645,006,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,347,899,354.42 : 920,040,592,002.30 = 210,425,717,763.40 : x
  2. Step 2: Convert to fraction form
    613,347,899,354.42/920,040,592,002.30 = 210,425,717,763.40/x
  3. Step 3: Cross multiply
    613,347,899,354.42x = 920,040,592,002.30 × 210,425,717,763.40
  4. Step 4: Simplify right side
    613,347,899,354.42x = 193,600,201,943,547,425,849,344
  5. Step 5: Solve for x
    x = 193,600,201,943,547,425,849,344/613,347,899,354.42
  6. Step 6: Final answer
    x = 315,645,006,932.15

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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.