Home / 664,356,411.10-996,534,616.65-406,076,085.10

Finding the Fourth Proportional to 664,356,411.10, 996,534,616.65 and 406,076,085.10

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Solution

The fourth proportional to 664,356,411.10, 996,534,616.65 and 406,076,085.10 is: 609,114,127.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,356,411.10 : 996,534,616.65 = 406,076,085.10 : x
  2. Step 2: Convert to fraction form
    664,356,411.10/996,534,616.65 = 406,076,085.10/x
  3. Step 3: Cross multiply
    664,356,411.10x = 996,534,616.65 × 406,076,085.10
  4. Step 4: Simplify right side
    664,356,411.10x = 404,668,875,795,861,312
  5. Step 5: Solve for x
    x = 404,668,875,795,861,312/664,356,411.10
  6. Step 6: Final answer
    x = 609,114,127.65

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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.