Home / 1,350,572,162.70-1,863,985,326.20-778,243,868.20

Finding the Fourth Proportional to 1,350,572,162.70, 1,863,985,326.20 and 778,243,868.20

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Solution

The fourth proportional to 1,350,572,162.70, 1,863,985,326.20 and 778,243,868.20 is: 1,074,089,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,572,162.70 : 1,863,985,326.20 = 778,243,868.20 : x
  2. Step 2: Convert to fraction form
    1,350,572,162.70/1,863,985,326.20 = 778,243,868.20/x
  3. Step 3: Cross multiply
    1,350,572,162.70x = 1,863,985,326.20 × 778,243,868.20
  4. Step 4: Simplify right side
    1,350,572,162.70x = 1,450,635,150,516,715,776
  5. Step 5: Solve for x
    x = 1,450,635,150,516,715,776/1,350,572,162.70
  6. Step 6: Final answer
    x = 1,074,089,330.87

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Double scale
Find fourth proportional to 1,350,572,163.70, 1,863,985,327.58 and 778,243,869.20
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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.