Home / 788,328,167.92-1,182,609,813.15-290,300,360.47

Finding the Fourth Proportional to 788,328,167.92, 1,182,609,813.15 and 290,300,360.47

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Solution

The fourth proportional to 788,328,167.92, 1,182,609,813.15 and 290,300,360.47 is: 435,493,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,328,167.92 : 1,182,609,813.15 = 290,300,360.47 : x
  2. Step 2: Convert to fraction form
    788,328,167.92/1,182,609,813.15 = 290,300,360.47/x
  3. Step 3: Cross multiply
    788,328,167.92x = 1,182,609,813.15 × 290,300,360.47
  4. Step 4: Simplify right side
    788,328,167.92x = 343,312,055,049,847,808
  5. Step 5: Solve for x
    x = 343,312,055,049,847,808/788,328,167.92
  6. Step 6: Final answer
    x = 435,493,832.42

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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.