Home / 386,686,811.20-580,030,216.80-233,804,430.40

Finding the Fourth Proportional to 386,686,811.20, 580,030,216.80 and 233,804,430.40

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Solution

The fourth proportional to 386,686,811.20, 580,030,216.80 and 233,804,430.40 is: 350,706,645.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,686,811.20 : 580,030,216.80 = 233,804,430.40 : x
  2. Step 2: Convert to fraction form
    386,686,811.20/580,030,216.80 = 233,804,430.40/x
  3. Step 3: Cross multiply
    386,686,811.20x = 580,030,216.80 × 233,804,430.40
  4. Step 4: Simplify right side
    386,686,811.20x = 135,613,634,453,712,496
  5. Step 5: Solve for x
    x = 135,613,634,453,712,496/386,686,811.20
  6. Step 6: Final answer
    x = 350,706,645.60

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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.