Home / 4,782,986,117.40-7,174,479,176.10-1,289,266,411.35

Finding the Fourth Proportional to 4,782,986,117.40, 7,174,479,176.10 and 1,289,266,411.35

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Solution

The fourth proportional to 4,782,986,117.40, 7,174,479,176.10 and 1,289,266,411.35 is: 1,933,899,617.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782,986,117.40 : 7,174,479,176.10 = 1,289,266,411.35 : x
  2. Step 2: Convert to fraction form
    4,782,986,117.40/7,174,479,176.10 = 1,289,266,411.35/x
  3. Step 3: Cross multiply
    4,782,986,117.40x = 7,174,479,176.10 × 1,289,266,411.35
  4. Step 4: Simplify right side
    4,782,986,117.40x = 9,249,815,020,675,751,936
  5. Step 5: Solve for x
    x = 9,249,815,020,675,751,936/4,782,986,117.40
  6. Step 6: Final answer
    x = 1,933,899,617.03

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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.