Home / 19,386,352,043.48-29,019,885,689.50-12,648,986,828.48

Finding the Fourth Proportional to 19,386,352,043.48, 29,019,885,689.50 and 12,648,986,828.48

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Solution

The fourth proportional to 19,386,352,043.48, 29,019,885,689.50 and 12,648,986,828.48 is: 18,934,565,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386,352,043.48 : 29,019,885,689.50 = 12,648,986,828.48 : x
  2. Step 2: Convert to fraction form
    19,386,352,043.48/29,019,885,689.50 = 12,648,986,828.48/x
  3. Step 3: Cross multiply
    19,386,352,043.48x = 29,019,885,689.50 × 12,648,986,828.48
  4. Step 4: Simplify right side
    19,386,352,043.48x = 367,072,151,850,542,497,792
  5. Step 5: Solve for x
    x = 367,072,151,850,542,497,792/19,386,352,043.48
  6. Step 6: Final answer
    x = 18,934,565,462.71

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1.5x scale

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.