Home / 945,133,097.10-1,415,432,164.05-459,892,034.70

Finding the Fourth Proportional to 945,133,097.10, 1,415,432,164.05 and 459,892,034.70

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Solution

The fourth proportional to 945,133,097.10, 1,415,432,164.05 and 459,892,034.70 is: 688,734,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,133,097.10 : 1,415,432,164.05 = 459,892,034.70 : x
  2. Step 2: Convert to fraction form
    945,133,097.10/1,415,432,164.05 = 459,892,034.70/x
  3. Step 3: Cross multiply
    945,133,097.10x = 1,415,432,164.05 × 459,892,034.70
  4. Step 4: Simplify right side
    945,133,097.10x = 650,945,977,904,778,624
  5. Step 5: Solve for x
    x = 650,945,977,904,778,624/945,133,097.10
  6. Step 6: Final answer
    x = 688,734,718.85

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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.