Home / 477,109,236.40-715,663,854.60-386,409,972.40

Finding the Fourth Proportional to 477,109,236.40, 715,663,854.60 and 386,409,972.40

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Solution

The fourth proportional to 477,109,236.40, 715,663,854.60 and 386,409,972.40 is: 579,614,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,109,236.40 : 715,663,854.60 = 386,409,972.40 : x
  2. Step 2: Convert to fraction form
    477,109,236.40/715,663,854.60 = 386,409,972.40/x
  3. Step 3: Cross multiply
    477,109,236.40x = 715,663,854.60 × 386,409,972.40
  4. Step 4: Simplify right side
    477,109,236.40x = 276,539,650,303,663,616
  5. Step 5: Solve for x
    x = 276,539,650,303,663,616/477,109,236.40
  6. Step 6: Final answer
    x = 579,614,958.60

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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.