Home / 1,779,121,473.82-2,666,800,621.63-657,924,674.02

Finding the Fourth Proportional to 1,779,121,473.82, 2,666,800,621.63 and 657,924,674.02

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Solution

The fourth proportional to 1,779,121,473.82, 2,666,800,621.63 and 657,924,674.02 is: 986,191,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,121,473.82 : 2,666,800,621.63 = 657,924,674.02 : x
  2. Step 2: Convert to fraction form
    1,779,121,473.82/2,666,800,621.63 = 657,924,674.02/x
  3. Step 3: Cross multiply
    1,779,121,473.82x = 2,666,800,621.63 × 657,924,674.02
  4. Step 4: Simplify right side
    1,779,121,473.82x = 1,754,553,929,662,251,008
  5. Step 5: Solve for x
    x = 1,754,553,929,662,251,008/1,779,121,473.82
  6. Step 6: Final answer
    x = 986,191,193.51

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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.