Home / 531,291,075.84-733,416,784.58-343,211,075.12

Finding the Fourth Proportional to 531,291,075.84, 733,416,784.58 and 343,211,075.12

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Solution

The fourth proportional to 531,291,075.84, 733,416,784.58 and 343,211,075.12 is: 473,783,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,291,075.84 : 733,416,784.58 = 343,211,075.12 : x
  2. Step 2: Convert to fraction form
    531,291,075.84/733,416,784.58 = 343,211,075.12/x
  3. Step 3: Cross multiply
    531,291,075.84x = 733,416,784.58 × 343,211,075.12
  4. Step 4: Simplify right side
    531,291,075.84x = 251,716,763,149,446,816
  5. Step 5: Solve for x
    x = 251,716,763,149,446,816/531,291,075.84
  6. Step 6: Final answer
    x = 473,783,156.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.