Home / 489,275,337.20-675,200,075.55-269,258,763.20

Finding the Fourth Proportional to 489,275,337.20, 675,200,075.55 and 269,258,763.20

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Solution

The fourth proportional to 489,275,337.20, 675,200,075.55 and 269,258,763.20 is: 371,577,153.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,275,337.20 : 675,200,075.55 = 269,258,763.20 : x
  2. Step 2: Convert to fraction form
    489,275,337.20/675,200,075.55 = 269,258,763.20/x
  3. Step 3: Cross multiply
    489,275,337.20x = 675,200,075.55 × 269,258,763.20
  4. Step 4: Simplify right side
    489,275,337.20x = 181,803,537,255,139,552
  5. Step 5: Solve for x
    x = 181,803,537,255,139,552/489,275,337.20
  6. Step 6: Final answer
    x = 371,577,153.87

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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.