Home / 559,488,220.80-839,232,331.20-548,738,678.40

Finding the Fourth Proportional to 559,488,220.80, 839,232,331.20 and 548,738,678.40

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Solution

The fourth proportional to 559,488,220.80, 839,232,331.20 and 548,738,678.40 is: 823,108,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,488,220.80 : 839,232,331.20 = 548,738,678.40 : x
  2. Step 2: Convert to fraction form
    559,488,220.80/839,232,331.20 = 548,738,678.40/x
  3. Step 3: Cross multiply
    559,488,220.80x = 839,232,331.20 × 548,738,678.40
  4. Step 4: Simplify right side
    559,488,220.80x = 460,519,240,293,239,104
  5. Step 5: Solve for x
    x = 460,519,240,293,239,104/559,488,220.80
  6. Step 6: Final answer
    x = 823,108,017.60

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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.