Home / 558,839,739,461.40-838,259,609,192.10-307,203,701,419.80

Finding the Fourth Proportional to 558,839,739,461.40, 838,259,609,192.10 and 307,203,701,419.80

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Solution

The fourth proportional to 558,839,739,461.40, 838,259,609,192.10 and 307,203,701,419.80 is: 460,805,552,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,839,739,461.40 : 838,259,609,192.10 = 307,203,701,419.80 : x
  2. Step 2: Convert to fraction form
    558,839,739,461.40/838,259,609,192.10 = 307,203,701,419.80/x
  3. Step 3: Cross multiply
    558,839,739,461.40x = 838,259,609,192.10 × 307,203,701,419.80
  4. Step 4: Simplify right side
    558,839,739,461.40x = 257,516,454,694,528,118,423,552
  5. Step 5: Solve for x
    x = 257,516,454,694,528,118,423,552/558,839,739,461.40
  6. Step 6: Final answer
    x = 460,805,552,129.70

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Double scale
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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.