Home / 1,328,823,034.40-1,993,234,551.60-1,018,886,643.20

Finding the Fourth Proportional to 1,328,823,034.40, 1,993,234,551.60 and 1,018,886,643.20

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Solution

The fourth proportional to 1,328,823,034.40, 1,993,234,551.60 and 1,018,886,643.20 is: 1,528,329,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,823,034.40 : 1,993,234,551.60 = 1,018,886,643.20 : x
  2. Step 2: Convert to fraction form
    1,328,823,034.40/1,993,234,551.60 = 1,018,886,643.20/x
  3. Step 3: Cross multiply
    1,328,823,034.40x = 1,993,234,551.60 × 1,018,886,643.20
  4. Step 4: Simplify right side
    1,328,823,034.40x = 2,030,880,061,389,981,184
  5. Step 5: Solve for x
    x = 2,030,880,061,389,981,184/1,328,823,034.40
  6. Step 6: Final answer
    x = 1,528,329,964.80

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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.