Home / 705,035,927.20-1,057,553,890.80-220,360,957.60

Finding the Fourth Proportional to 705,035,927.20, 1,057,553,890.80 and 220,360,957.60

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Solution

The fourth proportional to 705,035,927.20, 1,057,553,890.80 and 220,360,957.60 is: 330,541,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,035,927.20 : 1,057,553,890.80 = 220,360,957.60 : x
  2. Step 2: Convert to fraction form
    705,035,927.20/1,057,553,890.80 = 220,360,957.60/x
  3. Step 3: Cross multiply
    705,035,927.20x = 1,057,553,890.80 × 220,360,957.60
  4. Step 4: Simplify right side
    705,035,927.20x = 233,043,588,090,293,824
  5. Step 5: Solve for x
    x = 233,043,588,090,293,824/705,035,927.20
  6. Step 6: Final answer
    x = 330,541,436.40

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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.