Home / 1,290,468,233,244.70-1,934,748,069,551.50-780,413,606,467.84

Finding the Fourth Proportional to 1,290,468,233,244.70, 1,934,748,069,551.50 and 780,413,606,467.84

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Solution

The fourth proportional to 1,290,468,233,244.70, 1,934,748,069,551.50 and 780,413,606,467.84 is: 1,170,043,306,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,468,233,244.70 : 1,934,748,069,551.50 = 780,413,606,467.84 : x
  2. Step 2: Convert to fraction form
    1,290,468,233,244.70/1,934,748,069,551.50 = 780,413,606,467.84/x
  3. Step 3: Cross multiply
    1,290,468,233,244.70x = 1,934,748,069,551.50 × 780,413,606,467.84
  4. Step 4: Simplify right side
    1,290,468,233,244.70x = 1,509,903,718,565,377,489,240,064
  5. Step 5: Solve for x
    x = 1,509,903,718,565,377,489,240,064/1,290,468,233,244.70
  6. Step 6: Final answer
    x = 1,170,043,306,505.06

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Double scale
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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.