Home / 827,514,915.88-1,143,060,657.10-613,367,684.74

Finding the Fourth Proportional to 827,514,915.88, 1,143,060,657.10 and 613,367,684.74

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Solution

The fourth proportional to 827,514,915.88, 1,143,060,657.10 and 613,367,684.74 is: 847,255,385.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,514,915.88 : 1,143,060,657.10 = 613,367,684.74 : x
  2. Step 2: Convert to fraction form
    827,514,915.88/1,143,060,657.10 = 613,367,684.74/x
  3. Step 3: Cross multiply
    827,514,915.88x = 1,143,060,657.10 × 613,367,684.74
  4. Step 4: Simplify right side
    827,514,915.88x = 701,116,468,762,809,984
  5. Step 5: Solve for x
    x = 701,116,468,762,809,984/827,514,915.88
  6. Step 6: Final answer
    x = 847,255,385.14

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1.5x scale

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.