Home / 1,105,731,799.18-1,658,830,638.96-358,689,240.36

Finding the Fourth Proportional to 1,105,731,799.18, 1,658,830,638.96 and 358,689,240.36

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Solution

The fourth proportional to 1,105,731,799.18, 1,658,830,638.96 and 358,689,240.36 is: 538,109,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,731,799.18 : 1,658,830,638.96 = 358,689,240.36 : x
  2. Step 2: Convert to fraction form
    1,105,731,799.18/1,658,830,638.96 = 358,689,240.36/x
  3. Step 3: Cross multiply
    1,105,731,799.18x = 1,658,830,638.96 × 358,689,240.36
  4. Step 4: Simplify right side
    1,105,731,799.18x = 595,004,701,770,308,736
  5. Step 5: Solve for x
    x = 595,004,701,770,308,736/1,105,731,799.18
  6. Step 6: Final answer
    x = 538,109,424.20

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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.