Home / 886,465,159.80-1,329,697,739.70-272,969,669.40

Finding the Fourth Proportional to 886,465,159.80, 1,329,697,739.70 and 272,969,669.40

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Solution

The fourth proportional to 886,465,159.80, 1,329,697,739.70 and 272,969,669.40 is: 409,454,504.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,465,159.80 : 1,329,697,739.70 = 272,969,669.40 : x
  2. Step 2: Convert to fraction form
    886,465,159.80/1,329,697,739.70 = 272,969,669.40/x
  3. Step 3: Cross multiply
    886,465,159.80x = 1,329,697,739.70 × 272,969,669.40
  4. Step 4: Simplify right side
    886,465,159.80x = 362,967,152,407,836,224
  5. Step 5: Solve for x
    x = 362,967,152,407,836,224/886,465,159.80
  6. Step 6: Final answer
    x = 409,454,504.10

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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.