Home / 861,875,530,684.96-1,189,190,962,136.90-514,578,340,287.72

Finding the Fourth Proportional to 861,875,530,684.96, 1,189,190,962,136.90 and 514,578,340,287.72

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Solution

The fourth proportional to 861,875,530,684.96, 1,189,190,962,136.90 and 514,578,340,287.72 is: 710,000,330,436.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,875,530,684.96 : 1,189,190,962,136.90 = 514,578,340,287.72 : x
  2. Step 2: Convert to fraction form
    861,875,530,684.96/1,189,190,962,136.90 = 514,578,340,287.72/x
  3. Step 3: Cross multiply
    861,875,530,684.96x = 1,189,190,962,136.90 × 514,578,340,287.72
  4. Step 4: Simplify right side
    861,875,530,684.96x = 611,931,911,581,562,749,059,072
  5. Step 5: Solve for x
    x = 611,931,911,581,562,749,059,072/861,875,530,684.96
  6. Step 6: Final answer
    x = 710,000,330,436.63

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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.