Home / 1,811,841,560.78-2,500,049,673.30-1,018,840,259.66

Finding the Fourth Proportional to 1,811,841,560.78, 2,500,049,673.30 and 1,018,840,259.66

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Solution

The fourth proportional to 1,811,841,560.78, 2,500,049,673.30 and 1,018,840,259.66 is: 1,405,835,539.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,841,560.78 : 2,500,049,673.30 = 1,018,840,259.66 : x
  2. Step 2: Convert to fraction form
    1,811,841,560.78/2,500,049,673.30 = 1,018,840,259.66/x
  3. Step 3: Cross multiply
    1,811,841,560.78x = 2,500,049,673.30 × 1,018,840,259.66
  4. Step 4: Simplify right side
    1,811,841,560.78x = 2,547,151,258,307,870,208
  5. Step 5: Solve for x
    x = 2,547,151,258,307,870,208/1,811,841,560.78
  6. Step 6: Final answer
    x = 1,405,835,539.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.