Home / 1,366,051,698.89-1,885,151,976.12-739,520,127.51

Finding the Fourth Proportional to 1,366,051,698.89, 1,885,151,976.12 and 739,520,127.51

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Solution

The fourth proportional to 1,366,051,698.89, 1,885,151,976.12 and 739,520,127.51 is: 1,020,538,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,051,698.89 : 1,885,151,976.12 = 739,520,127.51 : x
  2. Step 2: Convert to fraction form
    1,366,051,698.89/1,885,151,976.12 = 739,520,127.51/x
  3. Step 3: Cross multiply
    1,366,051,698.89x = 1,885,151,976.12 × 739,520,127.51
  4. Step 4: Simplify right side
    1,366,051,698.89x = 1,394,107,829,755,990,784
  5. Step 5: Solve for x
    x = 1,394,107,829,755,990,784/1,366,051,698.89
  6. Step 6: Final answer
    x = 1,020,538,117.92

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Double scale
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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.