Home / 1,780,063,938.40-2,671,229,648.40-1,043,132,418.40

Finding the Fourth Proportional to 1,780,063,938.40, 2,671,229,648.40 and 1,043,132,418.40

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Solution

The fourth proportional to 1,780,063,938.40, 2,671,229,648.40 and 1,043,132,418.40 is: 1,565,363,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,063,938.40 : 2,671,229,648.40 = 1,043,132,418.40 : x
  2. Step 2: Convert to fraction form
    1,780,063,938.40/2,671,229,648.40 = 1,043,132,418.40/x
  3. Step 3: Cross multiply
    1,780,063,938.40x = 2,671,229,648.40 × 1,043,132,418.40
  4. Step 4: Simplify right side
    1,780,063,938.40x = 2,786,446,243,237,273,600
  5. Step 5: Solve for x
    x = 2,786,446,243,237,273,600/1,780,063,938.40
  6. Step 6: Final answer
    x = 1,565,363,009.23

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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.