Home / 983,069,299.65-1,474,616,728.19-328,020,325.89

Finding the Fourth Proportional to 983,069,299.65, 1,474,616,728.19 and 328,020,325.89

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Solution

The fourth proportional to 983,069,299.65, 1,474,616,728.19 and 328,020,325.89 is: 492,034,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,069,299.65 : 1,474,616,728.19 = 328,020,325.89 : x
  2. Step 2: Convert to fraction form
    983,069,299.65/1,474,616,728.19 = 328,020,325.89/x
  3. Step 3: Cross multiply
    983,069,299.65x = 1,474,616,728.19 × 328,020,325.89
  4. Step 4: Simplify right side
    983,069,299.65x = 483,704,259,739,019,648
  5. Step 5: Solve for x
    x = 483,704,259,739,019,648/983,069,299.65
  6. Step 6: Final answer
    x = 492,034,752.70

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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.