Home / 663,818,640.41-916,071,080.40-366,461,291.60

Finding the Fourth Proportional to 663,818,640.41, 916,071,080.40 and 366,461,291.60

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Solution

The fourth proportional to 663,818,640.41, 916,071,080.40 and 366,461,291.60 is: 505,717,331.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,818,640.41 : 916,071,080.40 = 366,461,291.60 : x
  2. Step 2: Convert to fraction form
    663,818,640.41/916,071,080.40 = 366,461,291.60/x
  3. Step 3: Cross multiply
    663,818,640.41x = 916,071,080.40 × 366,461,291.60
  4. Step 4: Simplify right side
    663,818,640.41x = 335,704,591,316,211,136
  5. Step 5: Solve for x
    x = 335,704,591,316,211,136/663,818,640.41
  6. Step 6: Final answer
    x = 505,717,331.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.