Home / 1,186,301,912.40-1,779,452,868.60-324,658,904.40

Finding the Fourth Proportional to 1,186,301,912.40, 1,779,452,868.60 and 324,658,904.40

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Solution

The fourth proportional to 1,186,301,912.40, 1,779,452,868.60 and 324,658,904.40 is: 486,988,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,301,912.40 : 1,779,452,868.60 = 324,658,904.40 : x
  2. Step 2: Convert to fraction form
    1,186,301,912.40/1,779,452,868.60 = 324,658,904.40/x
  3. Step 3: Cross multiply
    1,186,301,912.40x = 1,779,452,868.60 × 324,658,904.40
  4. Step 4: Simplify right side
    1,186,301,912.40x = 577,715,218,751,113,088
  5. Step 5: Solve for x
    x = 577,715,218,751,113,088/1,186,301,912.40
  6. Step 6: Final answer
    x = 486,988,356.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.