Home / 3,986,411,681.52-5,501,250,327.37-2,153,249,858.98

Finding the Fourth Proportional to 3,986,411,681.52, 5,501,250,327.37 and 2,153,249,858.98

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Solution

The fourth proportional to 3,986,411,681.52, 5,501,250,327.37 and 2,153,249,858.98 is: 2,971,485,997.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,411,681.52 : 5,501,250,327.37 = 2,153,249,858.98 : x
  2. Step 2: Convert to fraction form
    3,986,411,681.52/5,501,250,327.37 = 2,153,249,858.98/x
  3. Step 3: Cross multiply
    3,986,411,681.52x = 5,501,250,327.37 × 2,153,249,858.98
  4. Step 4: Simplify right side
    3,986,411,681.52x = 11,845,566,491,598,610,432
  5. Step 5: Solve for x
    x = 11,845,566,491,598,610,432/3,986,411,681.52
  6. Step 6: Final answer
    x = 2,971,485,997.42

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1.5x scale

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.