Home / 2,103,663,137.85-2,902,799,937.47-1,211,878,567.80

Finding the Fourth Proportional to 2,103,663,137.85, 2,902,799,937.47 and 1,211,878,567.80

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Solution

The fourth proportional to 2,103,663,137.85, 2,902,799,937.47 and 1,211,878,567.80 is: 1,672,245,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,663,137.85 : 2,902,799,937.47 = 1,211,878,567.80 : x
  2. Step 2: Convert to fraction form
    2,103,663,137.85/2,902,799,937.47 = 1,211,878,567.80/x
  3. Step 3: Cross multiply
    2,103,663,137.85x = 2,902,799,937.47 × 1,211,878,567.80
  4. Step 4: Simplify right side
    2,103,663,137.85x = 3,517,841,030,825,013,760
  5. Step 5: Solve for x
    x = 3,517,841,030,825,013,760/2,103,663,137.85
  6. Step 6: Final answer
    x = 1,672,245,412.08

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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.