Home / 1,211,424,000.80-1,817,136,001.20-776,067,533.60

Finding the Fourth Proportional to 1,211,424,000.80, 1,817,136,001.20 and 776,067,533.60

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Solution

The fourth proportional to 1,211,424,000.80, 1,817,136,001.20 and 776,067,533.60 is: 1,164,101,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,424,000.80 : 1,817,136,001.20 = 776,067,533.60 : x
  2. Step 2: Convert to fraction form
    1,211,424,000.80/1,817,136,001.20 = 776,067,533.60/x
  3. Step 3: Cross multiply
    1,211,424,000.80x = 1,817,136,001.20 × 776,067,533.60
  4. Step 4: Simplify right side
    1,211,424,000.80x = 1,410,220,254,667,050,752
  5. Step 5: Solve for x
    x = 1,410,220,254,667,050,752/1,211,424,000.80
  6. Step 6: Final answer
    x = 1,164,101,300.40

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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.