Home / 1,380,663,606.46-2,070,995,437.15-331,401,810.45

Finding the Fourth Proportional to 1,380,663,606.46, 2,070,995,437.15 and 331,401,810.45

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Solution

The fourth proportional to 1,380,663,606.46, 2,070,995,437.15 and 331,401,810.45 is: 497,102,722.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,663,606.46 : 2,070,995,437.15 = 331,401,810.45 : x
  2. Step 2: Convert to fraction form
    1,380,663,606.46/2,070,995,437.15 = 331,401,810.45/x
  3. Step 3: Cross multiply
    1,380,663,606.46x = 2,070,995,437.15 × 331,401,810.45
  4. Step 4: Simplify right side
    1,380,663,606.46x = 686,331,637,301,724,160
  5. Step 5: Solve for x
    x = 686,331,637,301,724,160/1,380,663,606.46
  6. Step 6: Final answer
    x = 497,102,722.26

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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.