Home / 664,376,105.40-996,564,158.10-626,112,353.40

Finding the Fourth Proportional to 664,376,105.40, 996,564,158.10 and 626,112,353.40

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Solution

The fourth proportional to 664,376,105.40, 996,564,158.10 and 626,112,353.40 is: 939,168,530.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,376,105.40 : 996,564,158.10 = 626,112,353.40 : x
  2. Step 2: Convert to fraction form
    664,376,105.40/996,564,158.10 = 626,112,353.40/x
  3. Step 3: Cross multiply
    664,376,105.40x = 996,564,158.10 × 626,112,353.40
  4. Step 4: Simplify right side
    664,376,105.40x = 623,961,130,342,080,640
  5. Step 5: Solve for x
    x = 623,961,130,342,080,640/664,376,105.40
  6. Step 6: Final answer
    x = 939,168,530.10

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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.