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Finding the Fourth Proportional to 978,686,030.10, 1,468,029,045.15 and 332,453,774.10

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Solution

The fourth proportional to 978,686,030.10, 1,468,029,045.15 and 332,453,774.10 is: 498,680,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,686,030.10 : 1,468,029,045.15 = 332,453,774.10 : x
  2. Step 2: Convert to fraction form
    978,686,030.10/1,468,029,045.15 = 332,453,774.10/x
  3. Step 3: Cross multiply
    978,686,030.10x = 1,468,029,045.15 × 332,453,774.10
  4. Step 4: Simplify right side
    978,686,030.10x = 488,051,796,548,536,896
  5. Step 5: Solve for x
    x = 488,051,796,548,536,896/978,686,030.10
  6. Step 6: Final answer
    x = 498,680,661.15

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Similar ratio
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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.