Home / 1,243,581,922-1,866,018,470.28-507,192,078.16

Finding the Fourth Proportional to 1,243,581,922, 1,866,018,470.28 and 507,192,078.16

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Solution

The fourth proportional to 1,243,581,922, 1,866,018,470.28 and 507,192,078.16 is: 761,051,418.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,581,922 : 1,866,018,470.28 = 507,192,078.16 : x
  2. Step 2: Convert to fraction form
    1,243,581,922/1,866,018,470.28 = 507,192,078.16/x
  3. Step 3: Cross multiply
    1,243,581,922x = 1,866,018,470.28 × 507,192,078.16
  4. Step 4: Simplify right side
    1,243,581,922x = 946,429,785,826,257,408
  5. Step 5: Solve for x
    x = 946,429,785,826,257,408/1,243,581,922
  6. Step 6: Final answer
    x = 761,051,418.55

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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.