Home / 2,690,448,715.40-4,035,673,073.10-1,236,426,139.40

Finding the Fourth Proportional to 2,690,448,715.40, 4,035,673,073.10 and 1,236,426,139.40

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Solution

The fourth proportional to 2,690,448,715.40, 4,035,673,073.10 and 1,236,426,139.40 is: 1,854,639,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690,448,715.40 : 4,035,673,073.10 = 1,236,426,139.40 : x
  2. Step 2: Convert to fraction form
    2,690,448,715.40/4,035,673,073.10 = 1,236,426,139.40/x
  3. Step 3: Cross multiply
    2,690,448,715.40x = 4,035,673,073.10 × 1,236,426,139.40
  4. Step 4: Simplify right side
    2,690,448,715.40x = 4,989,811,677,653,567,488
  5. Step 5: Solve for x
    x = 4,989,811,677,653,567,488/2,690,448,715.40
  6. Step 6: Final answer
    x = 1,854,639,209.10

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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.