Home / 558,839,739,457.40-838,259,609,186.10-307,203,701,415.80

Finding the Fourth Proportional to 558,839,739,457.40, 838,259,609,186.10 and 307,203,701,415.80

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Solution

The fourth proportional to 558,839,739,457.40, 838,259,609,186.10 and 307,203,701,415.80 is: 460,805,552,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,839,739,457.40 : 838,259,609,186.10 = 307,203,701,415.80 : x
  2. Step 2: Convert to fraction form
    558,839,739,457.40/838,259,609,186.10 = 307,203,701,415.80/x
  3. Step 3: Cross multiply
    558,839,739,457.40x = 838,259,609,186.10 × 307,203,701,415.80
  4. Step 4: Simplify right side
    558,839,739,457.40x = 257,516,454,689,331,845,529,600
  5. Step 5: Solve for x
    x = 257,516,454,689,331,845,529,600/558,839,739,457.40
  6. Step 6: Final answer
    x = 460,805,552,123.70

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Double scale
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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.