Home / 705,736,556.40-1,058,604,834.60-649,301,458.80

Finding the Fourth Proportional to 705,736,556.40, 1,058,604,834.60 and 649,301,458.80

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Solution

The fourth proportional to 705,736,556.40, 1,058,604,834.60 and 649,301,458.80 is: 973,952,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,736,556.40 : 1,058,604,834.60 = 649,301,458.80 : x
  2. Step 2: Convert to fraction form
    705,736,556.40/1,058,604,834.60 = 649,301,458.80/x
  3. Step 3: Cross multiply
    705,736,556.40x = 1,058,604,834.60 × 649,301,458.80
  4. Step 4: Simplify right side
    705,736,556.40x = 687,353,663,398,512,640
  5. Step 5: Solve for x
    x = 687,353,663,398,512,640/705,736,556.40
  6. Step 6: Final answer
    x = 973,952,188.20

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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.