Home / 18,864,578,812.30-28,296,868,218.45-14,511,014,140.30

Finding the Fourth Proportional to 18,864,578,812.30, 28,296,868,218.45 and 14,511,014,140.30

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Solution

The fourth proportional to 18,864,578,812.30, 28,296,868,218.45 and 14,511,014,140.30 is: 21,766,521,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,578,812.30 : 28,296,868,218.45 = 14,511,014,140.30 : x
  2. Step 2: Convert to fraction form
    18,864,578,812.30/28,296,868,218.45 = 14,511,014,140.30/x
  3. Step 3: Cross multiply
    18,864,578,812.30x = 28,296,868,218.45 × 14,511,014,140.30
  4. Step 4: Simplify right side
    18,864,578,812.30x = 410,616,254,844,133,638,144
  5. Step 5: Solve for x
    x = 410,616,254,844,133,638,144/18,864,578,812.30
  6. Step 6: Final answer
    x = 21,766,521,210.45

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Double scale
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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.