Home / 860,580,884.40-1,187,566,541.39-508,270,930.80

Finding the Fourth Proportional to 860,580,884.40, 1,187,566,541.39 and 508,270,930.80

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Solution

The fourth proportional to 860,580,884.40, 1,187,566,541.39 and 508,270,930.80 is: 701,393,166.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,580,884.40 : 1,187,566,541.39 = 508,270,930.80 : x
  2. Step 2: Convert to fraction form
    860,580,884.40/1,187,566,541.39 = 508,270,930.80/x
  3. Step 3: Cross multiply
    860,580,884.40x = 1,187,566,541.39 × 508,270,930.80
  4. Step 4: Simplify right side
    860,580,884.40x = 603,605,551,376,049,280
  5. Step 5: Solve for x
    x = 603,605,551,376,049,280/860,580,884.40
  6. Step 6: Final answer
    x = 701,393,166.31

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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.