Home / 1,130,941,420.32-1,696,223,170.80-313,136,389.92

Finding the Fourth Proportional to 1,130,941,420.32, 1,696,223,170.80 and 313,136,389.92

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Solution

The fourth proportional to 1,130,941,420.32, 1,696,223,170.80 and 313,136,389.92 is: 469,652,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,941,420.32 : 1,696,223,170.80 = 313,136,389.92 : x
  2. Step 2: Convert to fraction form
    1,130,941,420.32/1,696,223,170.80 = 313,136,389.92/x
  3. Step 3: Cross multiply
    1,130,941,420.32x = 1,696,223,170.80 × 313,136,389.92
  4. Step 4: Simplify right side
    1,130,941,420.32x = 531,149,200,202,967,552
  5. Step 5: Solve for x
    x = 531,149,200,202,967,552/1,130,941,420.32
  6. Step 6: Final answer
    x = 469,652,265.50

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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.