Home / 944,486,194.31-1,303,395,475.59-521,099,834.21

Finding the Fourth Proportional to 944,486,194.31, 1,303,395,475.59 and 521,099,834.21

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Solution

The fourth proportional to 944,486,194.31, 1,303,395,475.59 and 521,099,834.21 is: 719,120,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,486,194.31 : 1,303,395,475.59 = 521,099,834.21 : x
  2. Step 2: Convert to fraction form
    944,486,194.31/1,303,395,475.59 = 521,099,834.21/x
  3. Step 3: Cross multiply
    944,486,194.31x = 1,303,395,475.59 × 521,099,834.21
  4. Step 4: Simplify right side
    944,486,194.31x = 679,199,166,233,496,064
  5. Step 5: Solve for x
    x = 679,199,166,233,496,064/944,486,194.31
  6. Step 6: Final answer
    x = 719,120,269.13

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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.