Home / 816,237,772.10-1,225,632,116.55-471,864,004.10

Finding the Fourth Proportional to 816,237,772.10, 1,225,632,116.55 and 471,864,004.10

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Solution

The fourth proportional to 816,237,772.10, 1,225,632,116.55 and 471,864,004.10 is: 708,533,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,237,772.10 : 1,225,632,116.55 = 471,864,004.10 : x
  2. Step 2: Convert to fraction form
    816,237,772.10/1,225,632,116.55 = 471,864,004.10/x
  3. Step 3: Cross multiply
    816,237,772.10x = 1,225,632,116.55 × 471,864,004.10
  4. Step 4: Simplify right side
    816,237,772.10x = 578,331,678,068,840,832
  5. Step 5: Solve for x
    x = 578,331,678,068,840,832/816,237,772.10
  6. Step 6: Final answer
    x = 708,533,343.88

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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.