Home / 748,213,557.13-1,032,570,696.95-413,679,889.45

Finding the Fourth Proportional to 748,213,557.13, 1,032,570,696.95 and 413,679,889.45

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Solution

The fourth proportional to 748,213,557.13, 1,032,570,696.95 and 413,679,889.45 is: 570,898,144.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,213,557.13 : 1,032,570,696.95 = 413,679,889.45 : x
  2. Step 2: Convert to fraction form
    748,213,557.13/1,032,570,696.95 = 413,679,889.45/x
  3. Step 3: Cross multiply
    748,213,557.13x = 1,032,570,696.95 × 413,679,889.45
  4. Step 4: Simplify right side
    748,213,557.13x = 427,153,731,763,585,472
  5. Step 5: Solve for x
    x = 427,153,731,763,585,472/748,213,557.13
  6. Step 6: Final answer
    x = 570,898,144.91

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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.