Home / 756,478,409.72-1,133,650,951.66-357,210,964.40

Finding the Fourth Proportional to 756,478,409.72, 1,133,650,951.66 and 357,210,964.40

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Solution

The fourth proportional to 756,478,409.72, 1,133,650,951.66 and 357,210,964.40 is: 535,312,765.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,478,409.72 : 1,133,650,951.66 = 357,210,964.40 : x
  2. Step 2: Convert to fraction form
    756,478,409.72/1,133,650,951.66 = 357,210,964.40/x
  3. Step 3: Cross multiply
    756,478,409.72x = 1,133,650,951.66 × 357,210,964.40
  4. Step 4: Simplify right side
    756,478,409.72x = 404,952,549,735,446,400
  5. Step 5: Solve for x
    x = 404,952,549,735,446,400/756,478,409.72
  6. Step 6: Final answer
    x = 535,312,765.75

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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.