Home / 1,570,754,327.20-2,356,131,490.80-1,328,889,623.20

Finding the Fourth Proportional to 1,570,754,327.20, 2,356,131,490.80 and 1,328,889,623.20

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Solution

The fourth proportional to 1,570,754,327.20, 2,356,131,490.80 and 1,328,889,623.20 is: 1,993,334,434.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,754,327.20 : 2,356,131,490.80 = 1,328,889,623.20 : x
  2. Step 2: Convert to fraction form
    1,570,754,327.20/2,356,131,490.80 = 1,328,889,623.20/x
  3. Step 3: Cross multiply
    1,570,754,327.20x = 2,356,131,490.80 × 1,328,889,623.20
  4. Step 4: Simplify right side
    1,570,754,327.20x = 3,131,038,689,018,866,688
  5. Step 5: Solve for x
    x = 3,131,038,689,018,866,688/1,570,754,327.20
  6. Step 6: Final answer
    x = 1,993,334,434.80

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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.