Home / 845,813,931.10-1,268,782,044.89-354,032,601.46

Finding the Fourth Proportional to 845,813,931.10, 1,268,782,044.89 and 354,032,601.46

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Solution

The fourth proportional to 845,813,931.10, 1,268,782,044.89 and 354,032,601.46 is: 531,074,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,813,931.10 : 1,268,782,044.89 = 354,032,601.46 : x
  2. Step 2: Convert to fraction form
    845,813,931.10/1,268,782,044.89 = 354,032,601.46/x
  3. Step 3: Cross multiply
    845,813,931.10x = 1,268,782,044.89 × 354,032,601.46
  4. Step 4: Simplify right side
    845,813,931.10x = 449,190,208,038,145,216
  5. Step 5: Solve for x
    x = 449,190,208,038,145,216/845,813,931.10
  6. Step 6: Final answer
    x = 531,074,497.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.