Home / 1,000,869,287.04-1,381,199,586.20-554,831,520.03

Finding the Fourth Proportional to 1,000,869,287.04, 1,381,199,586.20 and 554,831,520.03

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Solution

The fourth proportional to 1,000,869,287.04, 1,381,199,586.20 and 554,831,520.03 is: 765,667,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,869,287.04 : 1,381,199,586.20 = 554,831,520.03 : x
  2. Step 2: Convert to fraction form
    1,000,869,287.04/1,381,199,586.20 = 554,831,520.03/x
  3. Step 3: Cross multiply
    1,000,869,287.04x = 1,381,199,586.20 × 554,831,520.03
  4. Step 4: Simplify right side
    1,000,869,287.04x = 766,333,065,873,378,816
  5. Step 5: Solve for x
    x = 766,333,065,873,378,816/1,000,869,287.04
  6. Step 6: Final answer
    x = 765,667,481.06

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Half scale
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Double scale
Find fourth proportional to 1,000,869,288.04, 1,381,199,587.58 and 554,831,521.03
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.