Home / 1,151,927,365.08-1,589,074,122.40-699,684,987.45

Finding the Fourth Proportional to 1,151,927,365.08, 1,589,074,122.40 and 699,684,987.45

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Solution

The fourth proportional to 1,151,927,365.08, 1,589,074,122.40 and 699,684,987.45 is: 965,209,561.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,927,365.08 : 1,589,074,122.40 = 699,684,987.45 : x
  2. Step 2: Convert to fraction form
    1,151,927,365.08/1,589,074,122.40 = 699,684,987.45/x
  3. Step 3: Cross multiply
    1,151,927,365.08x = 1,589,074,122.40 × 699,684,987.45
  4. Step 4: Simplify right side
    1,151,927,365.08x = 1,111,851,307,388,563,968
  5. Step 5: Solve for x
    x = 1,111,851,307,388,563,968/1,151,927,365.08
  6. Step 6: Final answer
    x = 965,209,561.90

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.