Home / 886,459,969.80-1,329,689,954.70-272,964,479.40

Finding the Fourth Proportional to 886,459,969.80, 1,329,689,954.70 and 272,964,479.40

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Solution

The fourth proportional to 886,459,969.80, 1,329,689,954.70 and 272,964,479.40 is: 409,446,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,459,969.80 : 1,329,689,954.70 = 272,964,479.40 : x
  2. Step 2: Convert to fraction form
    886,459,969.80/1,329,689,954.70 = 272,964,479.40/x
  3. Step 3: Cross multiply
    886,459,969.80x = 1,329,689,954.70 × 272,964,479.40
  4. Step 4: Simplify right side
    886,459,969.80x = 362,958,126,248,095,040
  5. Step 5: Solve for x
    x = 362,958,126,248,095,040/886,459,969.80
  6. Step 6: Final answer
    x = 409,446,719.10

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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.