Home / 532,855,051.48-735,302,641.43-309,820,909.86

Finding the Fourth Proportional to 532,855,051.48, 735,302,641.43 and 309,820,909.86

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Solution

The fourth proportional to 532,855,051.48, 735,302,641.43 and 309,820,909.86 is: 427,531,150.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,855,051.48 : 735,302,641.43 = 309,820,909.86 : x
  2. Step 2: Convert to fraction form
    532,855,051.48/735,302,641.43 = 309,820,909.86/x
  3. Step 3: Cross multiply
    532,855,051.48x = 735,302,641.43 × 309,820,909.86
  4. Step 4: Simplify right side
    532,855,051.48x = 227,812,133,390,303,936
  5. Step 5: Solve for x
    x = 227,812,133,390,303,936/532,855,051.48
  6. Step 6: Final answer
    x = 427,531,150.84

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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.