Home / 7,372,134,139.20-11,058,201,208.80-4,892,643,009.60

Finding the Fourth Proportional to 7,372,134,139.20, 11,058,201,208.80 and 4,892,643,009.60

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Solution

The fourth proportional to 7,372,134,139.20, 11,058,201,208.80 and 4,892,643,009.60 is: 7,338,964,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372,134,139.20 : 11,058,201,208.80 = 4,892,643,009.60 : x
  2. Step 2: Convert to fraction form
    7,372,134,139.20/11,058,201,208.80 = 4,892,643,009.60/x
  3. Step 3: Cross multiply
    7,372,134,139.20x = 11,058,201,208.80 × 4,892,643,009.60
  4. Step 4: Simplify right side
    7,372,134,139.20x = 54,103,830,842,985,586,688
  5. Step 5: Solve for x
    x = 54,103,830,842,985,586,688/7,372,134,139.20
  6. Step 6: Final answer
    x = 7,338,964,514.40

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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.