Home / 816,237,772.60-1,225,632,117.30-471,864,004.60

Finding the Fourth Proportional to 816,237,772.60, 1,225,632,117.30 and 471,864,004.60

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Solution

The fourth proportional to 816,237,772.60, 1,225,632,117.30 and 471,864,004.60 is: 708,533,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,237,772.60 : 1,225,632,117.30 = 471,864,004.60 : x
  2. Step 2: Convert to fraction form
    816,237,772.60/1,225,632,117.30 = 471,864,004.60/x
  3. Step 3: Cross multiply
    816,237,772.60x = 1,225,632,117.30 × 471,864,004.60
  4. Step 4: Simplify right side
    816,237,772.60x = 578,331,679,035,554,944
  5. Step 5: Solve for x
    x = 578,331,679,035,554,944/816,237,772.60
  6. Step 6: Final answer
    x = 708,533,344.63

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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.