Home / 1,054,965,701.40-1,582,448,552.10-538,987,666.20

Finding the Fourth Proportional to 1,054,965,701.40, 1,582,448,552.10 and 538,987,666.20

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Solution

The fourth proportional to 1,054,965,701.40, 1,582,448,552.10 and 538,987,666.20 is: 808,481,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,965,701.40 : 1,582,448,552.10 = 538,987,666.20 : x
  2. Step 2: Convert to fraction form
    1,054,965,701.40/1,582,448,552.10 = 538,987,666.20/x
  3. Step 3: Cross multiply
    1,054,965,701.40x = 1,582,448,552.10 × 538,987,666.20
  4. Step 4: Simplify right side
    1,054,965,701.40x = 852,920,251,977,948,160
  5. Step 5: Solve for x
    x = 852,920,251,977,948,160/1,054,965,701.40
  6. Step 6: Final answer
    x = 808,481,499.30

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Half scale
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Double scale
Find fourth proportional to 1,054,965,702.40, 1,582,448,553.60 and 538,987,667.20
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.