Home / 944,289,930.66-1,303,061,117.59-520,908,488.88

Finding the Fourth Proportional to 944,289,930.66, 1,303,061,117.59 and 520,908,488.88

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Solution

The fourth proportional to 944,289,930.66, 1,303,061,117.59 and 520,908,488.88 is: 718,821,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,289,930.66 : 1,303,061,117.59 = 520,908,488.88 : x
  2. Step 2: Convert to fraction form
    944,289,930.66/1,303,061,117.59 = 520,908,488.88/x
  3. Step 3: Cross multiply
    944,289,930.66x = 1,303,061,117.59 × 520,908,488.88
  4. Step 4: Simplify right side
    944,289,930.66x = 678,775,597,682,090,880
  5. Step 5: Solve for x
    x = 678,775,597,682,090,880/944,289,930.66
  6. Step 6: Final answer
    x = 718,821,175.20

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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.