Home / 1,432,282,468,178.50-1,977,441,987,987.40-911,731,707,986.76

Finding the Fourth Proportional to 1,432,282,468,178.50, 1,977,441,987,987.40 and 911,731,707,986.76

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Solution

The fourth proportional to 1,432,282,468,178.50, 1,977,441,987,987.40 and 911,731,707,986.76 is: 1,258,757,683,074.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,282,468,178.50 : 1,977,441,987,987.40 = 911,731,707,986.76 : x
  2. Step 2: Convert to fraction form
    1,432,282,468,178.50/1,977,441,987,987.40 = 911,731,707,986.76/x
  3. Step 3: Cross multiply
    1,432,282,468,178.50x = 1,977,441,987,987.40 × 911,731,707,986.76
  4. Step 4: Simplify right side
    1,432,282,468,178.50x = 1,802,896,561,152,486,249,857,024
  5. Step 5: Solve for x
    x = 1,802,896,561,152,486,249,857,024/1,432,282,468,178.50
  6. Step 6: Final answer
    x = 1,258,757,683,074.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.