Home / 490,078,008.64-735,114,349.44-282,681,979.84

Finding the Fourth Proportional to 490,078,008.64, 735,114,349.44 and 282,681,979.84

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Solution

The fourth proportional to 490,078,008.64, 735,114,349.44 and 282,681,979.84 is: 424,021,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,078,008.64 : 735,114,349.44 = 282,681,979.84 : x
  2. Step 2: Convert to fraction form
    490,078,008.64/735,114,349.44 = 282,681,979.84/x
  3. Step 3: Cross multiply
    490,078,008.64x = 735,114,349.44 × 282,681,979.84
  4. Step 4: Simplify right side
    490,078,008.64x = 207,803,579,708,492,800
  5. Step 5: Solve for x
    x = 207,803,579,708,492,800/490,078,008.64
  6. Step 6: Final answer
    x = 424,021,433.41

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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.