Home / 809,146,043.75-1,116,621,541.80-437,868,075.13

Finding the Fourth Proportional to 809,146,043.75, 1,116,621,541.80 and 437,868,075.13

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Solution

The fourth proportional to 809,146,043.75, 1,116,621,541.80 and 437,868,075.13 is: 604,257,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,146,043.75 : 1,116,621,541.80 = 437,868,075.13 : x
  2. Step 2: Convert to fraction form
    809,146,043.75/1,116,621,541.80 = 437,868,075.13/x
  3. Step 3: Cross multiply
    809,146,043.75x = 1,116,621,541.80 × 437,868,075.13
  4. Step 4: Simplify right side
    809,146,043.75x = 488,932,925,153,867,264
  5. Step 5: Solve for x
    x = 488,932,925,153,867,264/809,146,043.75
  6. Step 6: Final answer
    x = 604,257,944.45

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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.