Home / 1,602,267,993.36-2,403,183,807.86-421,749,617.78

Finding the Fourth Proportional to 1,602,267,993.36, 2,403,183,807.86 and 421,749,617.78

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Solution

The fourth proportional to 1,602,267,993.36, 2,403,183,807.86 and 421,749,617.78 is: 632,566,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602,267,993.36 : 2,403,183,807.86 = 421,749,617.78 : x
  2. Step 2: Convert to fraction form
    1,602,267,993.36/2,403,183,807.86 = 421,749,617.78/x
  3. Step 3: Cross multiply
    1,602,267,993.36x = 2,403,183,807.86 × 421,749,617.78
  4. Step 4: Simplify right side
    1,602,267,993.36x = 1,013,541,852,416,487,680
  5. Step 5: Solve for x
    x = 1,013,541,852,416,487,680/1,602,267,993.36
  6. Step 6: Final answer
    x = 632,566,996.67

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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.