Home / 809,146,045.26-1,116,621,543.87-437,868,076.63

Finding the Fourth Proportional to 809,146,045.26, 1,116,621,543.87 and 437,868,076.63

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Solution

The fourth proportional to 809,146,045.26, 1,116,621,543.87 and 437,868,076.63 is: 604,257,946.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,146,045.26 : 1,116,621,543.87 = 437,868,076.63 : x
  2. Step 2: Convert to fraction form
    809,146,045.26/1,116,621,543.87 = 437,868,076.63/x
  3. Step 3: Cross multiply
    809,146,045.26x = 1,116,621,543.87 × 437,868,076.63
  4. Step 4: Simplify right side
    809,146,045.26x = 488,932,927,737,977,984
  5. Step 5: Solve for x
    x = 488,932,927,737,977,984/809,146,045.26
  6. Step 6: Final answer
    x = 604,257,946.51

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Double scale
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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.