Home / 1,092,242,655.60-1,638,576,559.80-315,913,642.80

Finding the Fourth Proportional to 1,092,242,655.60, 1,638,576,559.80 and 315,913,642.80

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Solution

The fourth proportional to 1,092,242,655.60, 1,638,576,559.80 and 315,913,642.80 is: 473,931,948.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,242,655.60 : 1,638,576,559.80 = 315,913,642.80 : x
  2. Step 2: Convert to fraction form
    1,092,242,655.60/1,638,576,559.80 = 315,913,642.80/x
  3. Step 3: Cross multiply
    1,092,242,655.60x = 1,638,576,559.80 × 315,913,642.80
  4. Step 4: Simplify right side
    1,092,242,655.60x = 517,648,690,013,110,016
  5. Step 5: Solve for x
    x = 517,648,690,013,110,016/1,092,242,655.60
  6. Step 6: Final answer
    x = 473,931,948.51

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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.