Home / 1,105,406,079.86-1,658,682,975.63-450,837,329.78

Finding the Fourth Proportional to 1,105,406,079.86, 1,658,682,975.63 and 450,837,329.78

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Solution

The fourth proportional to 1,105,406,079.86, 1,658,682,975.63 and 450,837,329.78 is: 676,490,040.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,406,079.86 : 1,658,682,975.63 = 450,837,329.78 : x
  2. Step 2: Convert to fraction form
    1,105,406,079.86/1,658,682,975.63 = 450,837,329.78/x
  3. Step 3: Cross multiply
    1,105,406,079.86x = 1,658,682,975.63 × 450,837,329.78
  4. Step 4: Simplify right side
    1,105,406,079.86x = 747,796,203,684,574,080
  5. Step 5: Solve for x
    x = 747,796,203,684,574,080/1,105,406,079.86
  6. Step 6: Final answer
    x = 676,490,040.46

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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.