Home / 1,187,328,233.60-1,658,862,140.80-1,187,328,233.60

Finding the Fourth Proportional to 1,187,328,233.60, 1,658,862,140.80 and 1,187,328,233.60

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Solution

The fourth proportional to 1,187,328,233.60, 1,658,862,140.80 and 1,187,328,233.60 is: 1,658,862,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,328,233.60 : 1,658,862,140.80 = 1,187,328,233.60 : x
  2. Step 2: Convert to fraction form
    1,187,328,233.60/1,658,862,140.80 = 1,187,328,233.60/x
  3. Step 3: Cross multiply
    1,187,328,233.60x = 1,658,862,140.80 × 1,187,328,233.60
  4. Step 4: Simplify right side
    1,187,328,233.60x = 1,969,613,855,421,978,368
  5. Step 5: Solve for x
    x = 1,969,613,855,421,978,368/1,187,328,233.60
  6. Step 6: Final answer
    x = 1,658,862,140.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.