Home / 1,289,441,570.80-1,934,162,356.20-552,386,047.90

Finding the Fourth Proportional to 1,289,441,570.80, 1,934,162,356.20 and 552,386,047.90

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Solution

The fourth proportional to 1,289,441,570.80, 1,934,162,356.20 and 552,386,047.90 is: 828,579,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,441,570.80 : 1,934,162,356.20 = 552,386,047.90 : x
  2. Step 2: Convert to fraction form
    1,289,441,570.80/1,934,162,356.20 = 552,386,047.90/x
  3. Step 3: Cross multiply
    1,289,441,570.80x = 1,934,162,356.20 × 552,386,047.90
  4. Step 4: Simplify right side
    1,289,441,570.80x = 1,068,404,299,938,270,080
  5. Step 5: Solve for x
    x = 1,068,404,299,938,270,080/1,289,441,570.80
  6. Step 6: Final answer
    x = 828,579,071.85

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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.