Home / 1,380,133,209.96-2,069,473,401.47-943,558,746.42

Finding the Fourth Proportional to 1,380,133,209.96, 2,069,473,401.47 and 943,558,746.42

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Solution

The fourth proportional to 1,380,133,209.96, 2,069,473,401.47 and 943,558,746.42 is: 1,414,841,490.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,133,209.96 : 2,069,473,401.47 = 943,558,746.42 : x
  2. Step 2: Convert to fraction form
    1,380,133,209.96/2,069,473,401.47 = 943,558,746.42/x
  3. Step 3: Cross multiply
    1,380,133,209.96x = 2,069,473,401.47 × 943,558,746.42
  4. Step 4: Simplify right side
    1,380,133,209.96x = 1,952,669,728,440,566,528
  5. Step 5: Solve for x
    x = 1,952,669,728,440,566,528/1,380,133,209.96
  6. Step 6: Final answer
    x = 1,414,841,490.91

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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.