Home / 1,099,009,206.80-1,648,513,810.20-1,091,356,456.40

Finding the Fourth Proportional to 1,099,009,206.80, 1,648,513,810.20 and 1,091,356,456.40

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Solution

The fourth proportional to 1,099,009,206.80, 1,648,513,810.20 and 1,091,356,456.40 is: 1,637,034,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,009,206.80 : 1,648,513,810.20 = 1,091,356,456.40 : x
  2. Step 2: Convert to fraction form
    1,099,009,206.80/1,648,513,810.20 = 1,091,356,456.40/x
  3. Step 3: Cross multiply
    1,099,009,206.80x = 1,648,513,810.20 × 1,091,356,456.40
  4. Step 4: Simplify right side
    1,099,009,206.80x = 1,799,116,190,226,334,464
  5. Step 5: Solve for x
    x = 1,799,116,190,226,334,464/1,099,009,206.80
  6. Step 6: Final answer
    x = 1,637,034,684.60

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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.