Home / 1,145,899,001.79-1,718,144,587.21-445,574,812.41

Finding the Fourth Proportional to 1,145,899,001.79, 1,718,144,587.21 and 445,574,812.41

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Solution

The fourth proportional to 1,145,899,001.79, 1,718,144,587.21 and 445,574,812.41 is: 668,088,506.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,899,001.79 : 1,718,144,587.21 = 445,574,812.41 : x
  2. Step 2: Convert to fraction form
    1,145,899,001.79/1,718,144,587.21 = 445,574,812.41/x
  3. Step 3: Cross multiply
    1,145,899,001.79x = 1,718,144,587.21 × 445,574,812.41
  4. Step 4: Simplify right side
    1,145,899,001.79x = 765,561,952,139,352,704
  5. Step 5: Solve for x
    x = 765,561,952,139,352,704/1,145,899,001.79
  6. Step 6: Final answer
    x = 668,088,506.01

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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.