Home / 1,293,977,643.90-1,940,966,465.85-373,883,999.10

Finding the Fourth Proportional to 1,293,977,643.90, 1,940,966,465.85 and 373,883,999.10

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Solution

The fourth proportional to 1,293,977,643.90, 1,940,966,465.85 and 373,883,999.10 is: 560,825,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,977,643.90 : 1,940,966,465.85 = 373,883,999.10 : x
  2. Step 2: Convert to fraction form
    1,293,977,643.90/1,940,966,465.85 = 373,883,999.10/x
  3. Step 3: Cross multiply
    1,293,977,643.90x = 1,940,966,465.85 × 373,883,999.10
  4. Step 4: Simplify right side
    1,293,977,643.90x = 725,696,304,370,991,616
  5. Step 5: Solve for x
    x = 725,696,304,370,991,616/1,293,977,643.90
  6. Step 6: Final answer
    x = 560,825,998.65

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Half scale
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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.