Home / 1,053,060,713.40-1,579,591,070.10-508,865,129.40

Finding the Fourth Proportional to 1,053,060,713.40, 1,579,591,070.10 and 508,865,129.40

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Solution

The fourth proportional to 1,053,060,713.40, 1,579,591,070.10 and 508,865,129.40 is: 763,297,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,060,713.40 : 1,579,591,070.10 = 508,865,129.40 : x
  2. Step 2: Convert to fraction form
    1,053,060,713.40/1,579,591,070.10 = 508,865,129.40/x
  3. Step 3: Cross multiply
    1,053,060,713.40x = 1,579,591,070.10 × 508,865,129.40
  4. Step 4: Simplify right side
    1,053,060,713.40x = 803,798,814,285,520,896
  5. Step 5: Solve for x
    x = 803,798,814,285,520,896/1,053,060,713.40
  6. Step 6: Final answer
    x = 763,297,694.10

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Half scale
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Double scale
Find fourth proportional to 1,053,060,714.40, 1,579,591,071.60 and 508,865,130.40
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.