Home / 448,943,812.20-673,415,718.30-275,859,383.40

Finding the Fourth Proportional to 448,943,812.20, 673,415,718.30 and 275,859,383.40

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Solution

The fourth proportional to 448,943,812.20, 673,415,718.30 and 275,859,383.40 is: 413,789,075.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,943,812.20 : 673,415,718.30 = 275,859,383.40 : x
  2. Step 2: Convert to fraction form
    448,943,812.20/673,415,718.30 = 275,859,383.40/x
  3. Step 3: Cross multiply
    448,943,812.20x = 673,415,718.30 × 275,859,383.40
  4. Step 4: Simplify right side
    448,943,812.20x = 185,768,044,822,106,080
  5. Step 5: Solve for x
    x = 185,768,044,822,106,080/448,943,812.20
  6. Step 6: Final answer
    x = 413,789,075.10

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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.