Home / 1,226,695,798,709.80-1,840,081,184,006.10-420,851,435,527.80

Finding the Fourth Proportional to 1,226,695,798,709.80, 1,840,081,184,006.10 and 420,851,435,527.80

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Solution

The fourth proportional to 1,226,695,798,709.80, 1,840,081,184,006.10 and 420,851,435,527.80 is: 631,290,013,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,695,798,709.80 : 1,840,081,184,006.10 = 420,851,435,527.80 : x
  2. Step 2: Convert to fraction form
    1,226,695,798,709.80/1,840,081,184,006.10 = 420,851,435,527.80/x
  3. Step 3: Cross multiply
    1,226,695,798,709.80x = 1,840,081,184,006.10 × 420,851,435,527.80
  4. Step 4: Simplify right side
    1,226,695,798,709.80x = 774,400,807,776,661,054,423,040
  5. Step 5: Solve for x
    x = 774,400,807,776,661,054,423,040/1,226,695,798,709.80
  6. Step 6: Final answer
    x = 631,290,013,865.83

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Double scale
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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.