Home / 1,009,164,389.60-1,513,746,584.40-699,227,998.40

Finding the Fourth Proportional to 1,009,164,389.60, 1,513,746,584.40 and 699,227,998.40

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Solution

The fourth proportional to 1,009,164,389.60, 1,513,746,584.40 and 699,227,998.40 is: 1,048,841,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,164,389.60 : 1,513,746,584.40 = 699,227,998.40 : x
  2. Step 2: Convert to fraction form
    1,009,164,389.60/1,513,746,584.40 = 699,227,998.40/x
  3. Step 3: Cross multiply
    1,009,164,389.60x = 1,513,746,584.40 × 699,227,998.40
  4. Step 4: Simplify right side
    1,009,164,389.60x = 1,058,453,994,294,848,640
  5. Step 5: Solve for x
    x = 1,058,453,994,294,848,640/1,009,164,389.60
  6. Step 6: Final answer
    x = 1,048,841,997.60

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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.