Home / 672,606,626.40-1,008,909,939.60-536,557,730.40

Finding the Fourth Proportional to 672,606,626.40, 1,008,909,939.60 and 536,557,730.40

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Solution

The fourth proportional to 672,606,626.40, 1,008,909,939.60 and 536,557,730.40 is: 804,836,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,606,626.40 : 1,008,909,939.60 = 536,557,730.40 : x
  2. Step 2: Convert to fraction form
    672,606,626.40/1,008,909,939.60 = 536,557,730.40/x
  3. Step 3: Cross multiply
    672,606,626.40x = 1,008,909,939.60 × 536,557,730.40
  4. Step 4: Simplify right side
    672,606,626.40x = 541,338,427,369,777,088
  5. Step 5: Solve for x
    x = 541,338,427,369,777,088/672,606,626.40
  6. Step 6: Final answer
    x = 804,836,595.60

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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.