Home / 739,808,014.32-1,020,891,256.92-405,213,810.48

Finding the Fourth Proportional to 739,808,014.32, 1,020,891,256.92 and 405,213,810.48

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Solution

The fourth proportional to 739,808,014.32, 1,020,891,256.92 and 405,213,810.48 is: 559,171,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,808,014.32 : 1,020,891,256.92 = 405,213,810.48 : x
  2. Step 2: Convert to fraction form
    739,808,014.32/1,020,891,256.92 = 405,213,810.48/x
  3. Step 3: Cross multiply
    739,808,014.32x = 1,020,891,256.92 × 405,213,810.48
  4. Step 4: Simplify right side
    739,808,014.32x = 413,679,236,302,269,888
  5. Step 5: Solve for x
    x = 413,679,236,302,269,888/739,808,014.32
  6. Step 6: Final answer
    x = 559,171,066.40

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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.