Home / 1,246,799,830.84-1,870,490,792.22-361,503,708.28

Finding the Fourth Proportional to 1,246,799,830.84, 1,870,490,792.22 and 361,503,708.28

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Solution

The fourth proportional to 1,246,799,830.84, 1,870,490,792.22 and 361,503,708.28 is: 542,339,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,799,830.84 : 1,870,490,792.22 = 361,503,708.28 : x
  2. Step 2: Convert to fraction form
    1,246,799,830.84/1,870,490,792.22 = 361,503,708.28/x
  3. Step 3: Cross multiply
    1,246,799,830.84x = 1,870,490,792.22 × 361,503,708.28
  4. Step 4: Simplify right side
    1,246,799,830.84x = 676,189,357,685,075,072
  5. Step 5: Solve for x
    x = 676,189,357,685,075,072/1,246,799,830.84
  6. Step 6: Final answer
    x = 542,339,949.81

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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.