Home / 389,788,586.55-584,756,620.43-156,637,448.19

Finding the Fourth Proportional to 389,788,586.55, 584,756,620.43 and 156,637,448.19

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Solution

The fourth proportional to 389,788,586.55, 584,756,620.43 and 156,637,448.19 is: 234,985,805.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,788,586.55 : 584,756,620.43 = 156,637,448.19 : x
  2. Step 2: Convert to fraction form
    389,788,586.55/584,756,620.43 = 156,637,448.19/x
  3. Step 3: Cross multiply
    389,788,586.55x = 584,756,620.43 × 156,637,448.19
  4. Step 4: Simplify right side
    389,788,586.55x = 91,594,784,835,580,432
  5. Step 5: Solve for x
    x = 91,594,784,835,580,432/389,788,586.55
  6. Step 6: Final answer
    x = 234,985,805.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.