Home / 919,397,583.14-1,268,795,461.11-501,736,772.30

Finding the Fourth Proportional to 919,397,583.14, 1,268,795,461.11 and 501,736,772.30

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Solution

The fourth proportional to 919,397,583.14, 1,268,795,461.11 and 501,736,772.30 is: 692,411,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,397,583.14 : 1,268,795,461.11 = 501,736,772.30 : x
  2. Step 2: Convert to fraction form
    919,397,583.14/1,268,795,461.11 = 501,736,772.30/x
  3. Step 3: Cross multiply
    919,397,583.14x = 1,268,795,461.11 × 501,736,772.30
  4. Step 4: Simplify right side
    919,397,583.14x = 636,601,339,366,221,568
  5. Step 5: Solve for x
    x = 636,601,339,366,221,568/919,397,583.14
  6. Step 6: Final answer
    x = 692,411,369.18

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Double scale
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1.5x scale

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.