Home / 1,187,338,094.24-1,637,845,813.22-740,525,737.64

Finding the Fourth Proportional to 1,187,338,094.24, 1,637,845,813.22 and 740,525,737.64

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Solution

The fourth proportional to 1,187,338,094.24, 1,637,845,813.22 and 740,525,737.64 is: 1,021,500,939.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,338,094.24 : 1,637,845,813.22 = 740,525,737.64 : x
  2. Step 2: Convert to fraction form
    1,187,338,094.24/1,637,845,813.22 = 740,525,737.64/x
  3. Step 3: Cross multiply
    1,187,338,094.24x = 1,637,845,813.22 × 740,525,737.64
  4. Step 4: Simplify right side
    1,187,338,094.24x = 1,212,866,978,963,434,240
  5. Step 5: Solve for x
    x = 1,212,866,978,963,434,240/1,187,338,094.24
  6. Step 6: Final answer
    x = 1,021,500,939.67

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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.