Home / 2,987,865,442,939.40-4,482,071,674,949.40-838,962,803,835.36

Finding the Fourth Proportional to 2,987,865,442,939.40, 4,482,071,674,949.40 and 838,962,803,835.36

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Solution

The fourth proportional to 2,987,865,442,939.40, 4,482,071,674,949.40 and 838,962,803,835.36 is: 1,258,521,004,783.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,865,442,939.40 : 4,482,071,674,949.40 = 838,962,803,835.36 : x
  2. Step 2: Convert to fraction form
    2,987,865,442,939.40/4,482,071,674,949.40 = 838,962,803,835.36/x
  3. Step 3: Cross multiply
    2,987,865,442,939.40x = 4,482,071,674,949.40 × 838,962,803,835.36
  4. Step 4: Simplify right side
    2,987,865,442,939.40x = 3,760,291,419,406,596,944,429,056
  5. Step 5: Solve for x
    x = 3,760,291,419,406,596,944,429,056/2,987,865,442,939.40
  6. Step 6: Final answer
    x = 1,258,521,004,783.70

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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.