Home / 3,137,909,378.40-4,329,994,490.64-1,932,059,138.40

Finding the Fourth Proportional to 3,137,909,378.40, 4,329,994,490.64 and 1,932,059,138.40

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Solution

The fourth proportional to 3,137,909,378.40, 4,329,994,490.64 and 1,932,059,138.40 is: 2,666,044,304.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,909,378.40 : 4,329,994,490.64 = 1,932,059,138.40 : x
  2. Step 2: Convert to fraction form
    3,137,909,378.40/4,329,994,490.64 = 1,932,059,138.40/x
  3. Step 3: Cross multiply
    3,137,909,378.40x = 4,329,994,490.64 × 1,932,059,138.40
  4. Step 4: Simplify right side
    3,137,909,378.40x = 8,365,805,424,862,666,752
  5. Step 5: Solve for x
    x = 8,365,805,424,862,666,752/3,137,909,378.40
  6. Step 6: Final answer
    x = 2,666,044,304.04

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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.