Home / 1,187,338,098.24-1,637,845,818.73-740,525,741.64

Finding the Fourth Proportional to 1,187,338,098.24, 1,637,845,818.73 and 740,525,741.64

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Solution

The fourth proportional to 1,187,338,098.24, 1,637,845,818.73 and 740,525,741.64 is: 1,021,500,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,338,098.24 : 1,637,845,818.73 = 740,525,741.64 : x
  2. Step 2: Convert to fraction form
    1,187,338,098.24/1,637,845,818.73 = 740,525,741.64/x
  3. Step 3: Cross multiply
    1,187,338,098.24x = 1,637,845,818.73 × 740,525,741.64
  4. Step 4: Simplify right side
    1,187,338,098.24x = 1,212,866,989,607,006,208
  5. Step 5: Solve for x
    x = 1,212,866,989,607,006,208/1,187,338,098.24
  6. Step 6: Final answer
    x = 1,021,500,945.19

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Half scale
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Double scale
Find fourth proportional to 1,187,338,099.24, 1,637,845,820.11 and 740,525,742.64
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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.