Home / 1,254,403,950.66-1,881,483,322.77-381,012,903.54

Finding the Fourth Proportional to 1,254,403,950.66, 1,881,483,322.77 and 381,012,903.54

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Solution

The fourth proportional to 1,254,403,950.66, 1,881,483,322.77 and 381,012,903.54 is: 571,482,115.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,403,950.66 : 1,881,483,322.77 = 381,012,903.54 : x
  2. Step 2: Convert to fraction form
    1,254,403,950.66/1,881,483,322.77 = 381,012,903.54/x
  3. Step 3: Cross multiply
    1,254,403,950.66x = 1,881,483,322.77 × 381,012,903.54
  4. Step 4: Simplify right side
    1,254,403,950.66x = 716,869,423,770,684,672
  5. Step 5: Solve for x
    x = 716,869,423,770,684,672/1,254,403,950.66
  6. Step 6: Final answer
    x = 571,482,115.78

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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.