Home / 326,605,856.40-489,908,784.60-293,349,459.60

Finding the Fourth Proportional to 326,605,856.40, 489,908,784.60 and 293,349,459.60

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Solution

The fourth proportional to 326,605,856.40, 489,908,784.60 and 293,349,459.60 is: 440,024,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,605,856.40 : 489,908,784.60 = 293,349,459.60 : x
  2. Step 2: Convert to fraction form
    326,605,856.40/489,908,784.60 = 293,349,459.60/x
  3. Step 3: Cross multiply
    326,605,856.40x = 489,908,784.60 × 293,349,459.60
  4. Step 4: Simplify right side
    326,605,856.40x = 143,714,477,215,702,816
  5. Step 5: Solve for x
    x = 143,714,477,215,702,816/326,605,856.40
  6. Step 6: Final answer
    x = 440,024,189.40

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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.