Home / 1,277,684,040.16-1,763,209,288.74-690,973,176.16

Finding the Fourth Proportional to 1,277,684,040.16, 1,763,209,288.74 and 690,973,176.16

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Solution

The fourth proportional to 1,277,684,040.16, 1,763,209,288.74 and 690,973,176.16 is: 953,545,856.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,684,040.16 : 1,763,209,288.74 = 690,973,176.16 : x
  2. Step 2: Convert to fraction form
    1,277,684,040.16/1,763,209,288.74 = 690,973,176.16/x
  3. Step 3: Cross multiply
    1,277,684,040.16x = 1,763,209,288.74 × 690,973,176.16
  4. Step 4: Simplify right side
    1,277,684,040.16x = 1,218,330,322,475,492,352
  5. Step 5: Solve for x
    x = 1,218,330,322,475,492,352/1,277,684,040.16
  6. Step 6: Final answer
    x = 953,545,856.55

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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.