Home / 1,277,684,046.16-1,763,209,297.02-690,973,182.16

Finding the Fourth Proportional to 1,277,684,046.16, 1,763,209,297.02 and 690,973,182.16

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Solution

The fourth proportional to 1,277,684,046.16, 1,763,209,297.02 and 690,973,182.16 is: 953,545,864.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,684,046.16 : 1,763,209,297.02 = 690,973,182.16 : x
  2. Step 2: Convert to fraction form
    1,277,684,046.16/1,763,209,297.02 = 690,973,182.16/x
  3. Step 3: Cross multiply
    1,277,684,046.16x = 1,763,209,297.02 × 690,973,182.16
  4. Step 4: Simplify right side
    1,277,684,046.16x = 1,218,330,338,776,005,888
  5. Step 5: Solve for x
    x = 1,218,330,338,776,005,888/1,277,684,046.16
  6. Step 6: Final answer
    x = 953,545,864.83

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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.