Home / 1,226,695,798,708.80-1,840,081,184,004.60-420,851,435,526.80

Finding the Fourth Proportional to 1,226,695,798,708.80, 1,840,081,184,004.60 and 420,851,435,526.80

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Solution

The fourth proportional to 1,226,695,798,708.80, 1,840,081,184,004.60 and 420,851,435,526.80 is: 631,290,013,864.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,695,798,708.80 : 1,840,081,184,004.60 = 420,851,435,526.80 : x
  2. Step 2: Convert to fraction form
    1,226,695,798,708.80/1,840,081,184,004.60 = 420,851,435,526.80/x
  3. Step 3: Cross multiply
    1,226,695,798,708.80x = 1,840,081,184,004.60 × 420,851,435,526.80
  4. Step 4: Simplify right side
    1,226,695,798,708.80x = 774,400,807,774,189,703,397,376
  5. Step 5: Solve for x
    x = 774,400,807,774,189,703,397,376/1,226,695,798,708.80
  6. Step 6: Final answer
    x = 631,290,013,864.33

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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.