Home / 863,006,685.54-1,191,273,095.57-565,668,089.28

Finding the Fourth Proportional to 863,006,685.54, 1,191,273,095.57 and 565,668,089.28

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Solution

The fourth proportional to 863,006,685.54, 1,191,273,095.57 and 565,668,089.28 is: 780,834,247.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,006,685.54 : 1,191,273,095.57 = 565,668,089.28 : x
  2. Step 2: Convert to fraction form
    863,006,685.54/1,191,273,095.57 = 565,668,089.28/x
  3. Step 3: Cross multiply
    863,006,685.54x = 1,191,273,095.57 × 565,668,089.28
  4. Step 4: Simplify right side
    863,006,685.54x = 673,865,175,778,924,416
  5. Step 5: Solve for x
    x = 673,865,175,778,924,416/863,006,685.54
  6. Step 6: Final answer
    x = 780,834,247.37

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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.