Home / 28,403,065,126.20-42,604,597,689.30-11,852,716,927.80

Finding the Fourth Proportional to 28,403,065,126.20, 42,604,597,689.30 and 11,852,716,927.80

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Solution

The fourth proportional to 28,403,065,126.20, 42,604,597,689.30 and 11,852,716,927.80 is: 17,779,075,391.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403,065,126.20 : 42,604,597,689.30 = 11,852,716,927.80 : x
  2. Step 2: Convert to fraction form
    28,403,065,126.20/42,604,597,689.30 = 11,852,716,927.80/x
  3. Step 3: Cross multiply
    28,403,065,126.20x = 42,604,597,689.30 × 11,852,716,927.80
  4. Step 4: Simplify right side
    28,403,065,126.20x = 504,980,236,234,074,882,048
  5. Step 5: Solve for x
    x = 504,980,236,234,074,882,048/28,403,065,126.20
  6. Step 6: Final answer
    x = 17,779,075,391.70

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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.