Home / 1,098,006,689.80-1,647,010,034.70-370,984,904.20

Finding the Fourth Proportional to 1,098,006,689.80, 1,647,010,034.70 and 370,984,904.20

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Solution

The fourth proportional to 1,098,006,689.80, 1,647,010,034.70 and 370,984,904.20 is: 556,477,356.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,006,689.80 : 1,647,010,034.70 = 370,984,904.20 : x
  2. Step 2: Convert to fraction form
    1,098,006,689.80/1,647,010,034.70 = 370,984,904.20/x
  3. Step 3: Cross multiply
    1,098,006,689.80x = 1,647,010,034.70 × 370,984,904.20
  4. Step 4: Simplify right side
    1,098,006,689.80x = 611,015,859,939,618,176
  5. Step 5: Solve for x
    x = 611,015,859,939,618,176/1,098,006,689.80
  6. Step 6: Final answer
    x = 556,477,356.30

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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.