Home / 532,855,051.98-735,302,642.12-309,820,910.36

Finding the Fourth Proportional to 532,855,051.98, 735,302,642.12 and 309,820,910.36

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Solution

The fourth proportional to 532,855,051.98, 735,302,642.12 and 309,820,910.36 is: 427,531,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,855,051.98 : 735,302,642.12 = 309,820,910.36 : x
  2. Step 2: Convert to fraction form
    532,855,051.98/735,302,642.12 = 309,820,910.36/x
  3. Step 3: Cross multiply
    532,855,051.98x = 735,302,642.12 × 309,820,910.36
  4. Step 4: Simplify right side
    532,855,051.98x = 227,812,133,971,731,680
  5. Step 5: Solve for x
    x = 227,812,133,971,731,680/532,855,051.98
  6. Step 6: Final answer
    x = 427,531,151.53

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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.