Home / 774,191,020.80-1,161,286,531.20-447,673,670.40

Finding the Fourth Proportional to 774,191,020.80, 1,161,286,531.20 and 447,673,670.40

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Solution

The fourth proportional to 774,191,020.80, 1,161,286,531.20 and 447,673,670.40 is: 671,510,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,191,020.80 : 1,161,286,531.20 = 447,673,670.40 : x
  2. Step 2: Convert to fraction form
    774,191,020.80/1,161,286,531.20 = 447,673,670.40/x
  3. Step 3: Cross multiply
    774,191,020.80x = 1,161,286,531.20 × 447,673,670.40
  4. Step 4: Simplify right side
    774,191,020.80x = 519,877,403,808,388,096
  5. Step 5: Solve for x
    x = 519,877,403,808,388,096/774,191,020.80
  6. Step 6: Final answer
    x = 671,510,505.60

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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.