Home / 487,989,313.20-732,550,840.20-294,119,636.40

Finding the Fourth Proportional to 487,989,313.20, 732,550,840.20 and 294,119,636.40

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Solution

The fourth proportional to 487,989,313.20, 732,550,840.20 and 294,119,636.40 is: 441,521,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,989,313.20 : 732,550,840.20 = 294,119,636.40 : x
  2. Step 2: Convert to fraction form
    487,989,313.20/732,550,840.20 = 294,119,636.40/x
  3. Step 3: Cross multiply
    487,989,313.20x = 732,550,840.20 × 294,119,636.40
  4. Step 4: Simplify right side
    487,989,313.20x = 215,457,586,764,138,496
  5. Step 5: Solve for x
    x = 215,457,586,764,138,496/487,989,313.20
  6. Step 6: Final answer
    x = 441,521,117.24

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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.