Home / 3,637,715,497.80-5,456,573,246.70-1,308,728,459.40

Finding the Fourth Proportional to 3,637,715,497.80, 5,456,573,246.70 and 1,308,728,459.40

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Solution

The fourth proportional to 3,637,715,497.80, 5,456,573,246.70 and 1,308,728,459.40 is: 1,963,092,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637,715,497.80 : 5,456,573,246.70 = 1,308,728,459.40 : x
  2. Step 2: Convert to fraction form
    3,637,715,497.80/5,456,573,246.70 = 1,308,728,459.40/x
  3. Step 3: Cross multiply
    3,637,715,497.80x = 5,456,573,246.70 × 1,308,728,459.40
  4. Step 4: Simplify right side
    3,637,715,497.80x = 7,141,172,698,756,946,944
  5. Step 5: Solve for x
    x = 7,141,172,698,756,946,944/3,637,715,497.80
  6. Step 6: Final answer
    x = 1,963,092,689.10

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Double scale
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Similar ratio
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1.5x scale

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.