Home / 1,791,822,389.42-2,687,742,085.10-548,250,869.79

Finding the Fourth Proportional to 1,791,822,389.42, 2,687,742,085.10 and 548,250,869.79

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Solution

The fourth proportional to 1,791,822,389.42, 2,687,742,085.10 and 548,250,869.79 is: 822,378,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,822,389.42 : 2,687,742,085.10 = 548,250,869.79 : x
  2. Step 2: Convert to fraction form
    1,791,822,389.42/2,687,742,085.10 = 548,250,869.79/x
  3. Step 3: Cross multiply
    1,791,822,389.42x = 2,687,742,085.10 × 548,250,869.79
  4. Step 4: Simplify right side
    1,791,822,389.42x = 1,473,556,935,924,521,728
  5. Step 5: Solve for x
    x = 1,473,556,935,924,521,728/1,791,822,389.42
  6. Step 6: Final answer
    x = 822,378,905.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.