Home / 4,579,894,221.40-6,869,841,332.10-3,128,705,997.40

Finding the Fourth Proportional to 4,579,894,221.40, 6,869,841,332.10 and 3,128,705,997.40

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Solution

The fourth proportional to 4,579,894,221.40, 6,869,841,332.10 and 3,128,705,997.40 is: 4,693,058,996.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,579,894,221.40 : 6,869,841,332.10 = 3,128,705,997.40 : x
  2. Step 2: Convert to fraction form
    4,579,894,221.40/6,869,841,332.10 = 3,128,705,997.40/x
  3. Step 3: Cross multiply
    4,579,894,221.40x = 6,869,841,332.10 × 3,128,705,997.40
  4. Step 4: Simplify right side
    4,579,894,221.40x = 21,493,713,776,927,678,464
  5. Step 5: Solve for x
    x = 21,493,713,776,927,678,464/4,579,894,221.40
  6. Step 6: Final answer
    x = 4,693,058,996.10

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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.