Home / 1,350,572,160.20-1,863,985,322.75-778,243,865.69

Finding the Fourth Proportional to 1,350,572,160.20, 1,863,985,322.75 and 778,243,865.69

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Solution

The fourth proportional to 1,350,572,160.20, 1,863,985,322.75 and 778,243,865.69 is: 1,074,089,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,572,160.20 : 1,863,985,322.75 = 778,243,865.69 : x
  2. Step 2: Convert to fraction form
    1,350,572,160.20/1,863,985,322.75 = 778,243,865.69/x
  3. Step 3: Cross multiply
    1,350,572,160.20x = 1,863,985,322.75 × 778,243,865.69
  4. Step 4: Simplify right side
    1,350,572,160.20x = 1,450,635,143,167,150,848
  5. Step 5: Solve for x
    x = 1,450,635,143,167,150,848/1,350,572,160.20
  6. Step 6: Final answer
    x = 1,074,089,327.41

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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.