Home / 1,328,563,313.40-1,992,844,970.10-510,702,295.80

Finding the Fourth Proportional to 1,328,563,313.40, 1,992,844,970.10 and 510,702,295.80

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Solution

The fourth proportional to 1,328,563,313.40, 1,992,844,970.10 and 510,702,295.80 is: 766,053,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,563,313.40 : 1,992,844,970.10 = 510,702,295.80 : x
  2. Step 2: Convert to fraction form
    1,328,563,313.40/1,992,844,970.10 = 510,702,295.80/x
  3. Step 3: Cross multiply
    1,328,563,313.40x = 1,992,844,970.10 × 510,702,295.80
  4. Step 4: Simplify right side
    1,328,563,313.40x = 1,017,750,501,403,552,384
  5. Step 5: Solve for x
    x = 1,017,750,501,403,552,384/1,328,563,313.40
  6. Step 6: Final answer
    x = 766,053,443.70

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Double scale
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Similar ratio
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1.5x scale

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.