Home / 7,817,721,218.40-10,789,634,570.10-4,767,666,992.06

Finding the Fourth Proportional to 7,817,721,218.40, 10,789,634,570.10 and 4,767,666,992.06

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Solution

The fourth proportional to 7,817,721,218.40, 10,789,634,570.10 and 4,767,666,992.06 is: 6,580,099,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817,721,218.40 : 10,789,634,570.10 = 4,767,666,992.06 : x
  2. Step 2: Convert to fraction form
    7,817,721,218.40/10,789,634,570.10 = 4,767,666,992.06/x
  3. Step 3: Cross multiply
    7,817,721,218.40x = 10,789,634,570.10 × 4,767,666,992.06
  4. Step 4: Simplify right side
    7,817,721,218.40x = 51,441,384,596,187,013,120
  5. Step 5: Solve for x
    x = 51,441,384,596,187,013,120/7,817,721,218.40
  6. Step 6: Final answer
    x = 6,580,099,642.73

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1.5x scale

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.