Home / 388,706,454.45-533,559,593.75-343,666,829.70

Finding the Fourth Proportional to 388,706,454.45, 533,559,593.75 and 343,666,829.70

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Solution

The fourth proportional to 388,706,454.45, 533,559,593.75 and 343,666,829.70 is: 471,735,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,706,454.45 : 533,559,593.75 = 343,666,829.70 : x
  2. Step 2: Convert to fraction form
    388,706,454.45/533,559,593.75 = 343,666,829.70/x
  3. Step 3: Cross multiply
    388,706,454.45x = 533,559,593.75 × 343,666,829.70
  4. Step 4: Simplify right side
    388,706,454.45x = 183,366,734,038,364,096
  5. Step 5: Solve for x
    x = 183,366,734,038,364,096/388,706,454.45
  6. Step 6: Final answer
    x = 471,735,758.28

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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.