Home / 994,721,971.20-1,492,082,956.80-704,484,326.40

Finding the Fourth Proportional to 994,721,971.20, 1,492,082,956.80 and 704,484,326.40

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Solution

The fourth proportional to 994,721,971.20, 1,492,082,956.80 and 704,484,326.40 is: 1,056,726,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,721,971.20 : 1,492,082,956.80 = 704,484,326.40 : x
  2. Step 2: Convert to fraction form
    994,721,971.20/1,492,082,956.80 = 704,484,326.40/x
  3. Step 3: Cross multiply
    994,721,971.20x = 1,492,082,956.80 × 704,484,326.40
  4. Step 4: Simplify right side
    994,721,971.20x = 1,051,149,056,754,168,192
  5. Step 5: Solve for x
    x = 1,051,149,056,754,168,192/994,721,971.20
  6. Step 6: Final answer
    x = 1,056,726,489.60

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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.