Home / 898,307,477.65-1,237,898,446.50-686,853,894.39

Finding the Fourth Proportional to 898,307,477.65, 1,237,898,446.50 and 686,853,894.39

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Solution

The fourth proportional to 898,307,477.65, 1,237,898,446.50 and 686,853,894.39 is: 946,508,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,307,477.65 : 1,237,898,446.50 = 686,853,894.39 : x
  2. Step 2: Convert to fraction form
    898,307,477.65/1,237,898,446.50 = 686,853,894.39/x
  3. Step 3: Cross multiply
    898,307,477.65x = 1,237,898,446.50 × 686,853,894.39
  4. Step 4: Simplify right side
    898,307,477.65x = 850,255,368,837,856,000
  5. Step 5: Solve for x
    x = 850,255,368,837,856,000/898,307,477.65
  6. Step 6: Final answer
    x = 946,508,172.30

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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.