Home / 388,706,574.09-533,559,757.65-343,666,949.34

Finding the Fourth Proportional to 388,706,574.09, 533,559,757.65 and 343,666,949.34

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Solution

The fourth proportional to 388,706,574.09, 533,559,757.65 and 343,666,949.34 is: 471,735,922.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,706,574.09 : 533,559,757.65 = 343,666,949.34 : x
  2. Step 2: Convert to fraction form
    388,706,574.09/533,559,757.65 = 343,666,949.34/x
  3. Step 3: Cross multiply
    388,706,574.09x = 533,559,757.65 × 343,666,949.34
  4. Step 4: Simplify right side
    388,706,574.09x = 183,366,854,203,024,384
  5. Step 5: Solve for x
    x = 183,366,854,203,024,384/388,706,574.09
  6. Step 6: Final answer
    x = 471,735,922.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.