Home / 1,702,017,075.20-2,553,025,612.80-666,533,811.20

Finding the Fourth Proportional to 1,702,017,075.20, 2,553,025,612.80 and 666,533,811.20

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Solution

The fourth proportional to 1,702,017,075.20, 2,553,025,612.80 and 666,533,811.20 is: 999,800,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,017,075.20 : 2,553,025,612.80 = 666,533,811.20 : x
  2. Step 2: Convert to fraction form
    1,702,017,075.20/2,553,025,612.80 = 666,533,811.20/x
  3. Step 3: Cross multiply
    1,702,017,075.20x = 2,553,025,612.80 × 666,533,811.20
  4. Step 4: Simplify right side
    1,702,017,075.20x = 1,701,677,891,790,799,872
  5. Step 5: Solve for x
    x = 1,701,677,891,790,799,872/1,702,017,075.20
  6. Step 6: Final answer
    x = 999,800,716.80

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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.