Home / 1,277,684,045.16-1,763,209,295.64-690,973,181.16

Finding the Fourth Proportional to 1,277,684,045.16, 1,763,209,295.64 and 690,973,181.16

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Solution

The fourth proportional to 1,277,684,045.16, 1,763,209,295.64 and 690,973,181.16 is: 953,545,863.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,684,045.16 : 1,763,209,295.64 = 690,973,181.16 : x
  2. Step 2: Convert to fraction form
    1,277,684,045.16/1,763,209,295.64 = 690,973,181.16/x
  3. Step 3: Cross multiply
    1,277,684,045.16x = 1,763,209,295.64 × 690,973,181.16
  4. Step 4: Simplify right side
    1,277,684,045.16x = 1,218,330,336,059,253,760
  5. Step 5: Solve for x
    x = 1,218,330,336,059,253,760/1,277,684,045.16
  6. Step 6: Final answer
    x = 953,545,863.45

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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.