Home / 298,670,541.48-412,034,592.65-284,823,285.64

Finding the Fourth Proportional to 298,670,541.48, 412,034,592.65 and 284,823,285.64

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Solution

The fourth proportional to 298,670,541.48, 412,034,592.65 and 284,823,285.64 is: 392,931,441.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,670,541.48 : 412,034,592.65 = 284,823,285.64 : x
  2. Step 2: Convert to fraction form
    298,670,541.48/412,034,592.65 = 284,823,285.64/x
  3. Step 3: Cross multiply
    298,670,541.48x = 412,034,592.65 × 284,823,285.64
  4. Step 4: Simplify right side
    298,670,541.48x = 117,357,046,473,457,776
  5. Step 5: Solve for x
    x = 117,357,046,473,457,776/298,670,541.48
  6. Step 6: Final answer
    x = 392,931,441.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.