Home / 1,275,480,053.40-1,913,220,080.10-967,102,555.80

Finding the Fourth Proportional to 1,275,480,053.40, 1,913,220,080.10 and 967,102,555.80

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Solution

The fourth proportional to 1,275,480,053.40, 1,913,220,080.10 and 967,102,555.80 is: 1,450,653,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,480,053.40 : 1,913,220,080.10 = 967,102,555.80 : x
  2. Step 2: Convert to fraction form
    1,275,480,053.40/1,913,220,080.10 = 967,102,555.80/x
  3. Step 3: Cross multiply
    1,275,480,053.40x = 1,913,220,080.10 × 967,102,555.80
  4. Step 4: Simplify right side
    1,275,480,053.40x = 1,850,280,029,272,590,592
  5. Step 5: Solve for x
    x = 1,850,280,029,272,590,592/1,275,480,053.40
  6. Step 6: Final answer
    x = 1,450,653,833.70

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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.