Home / 1,548,171,925.21-2,136,408,337.89-904,487,521.47

Finding the Fourth Proportional to 1,548,171,925.21, 2,136,408,337.89 and 904,487,521.47

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Solution

The fourth proportional to 1,548,171,925.21, 2,136,408,337.89 and 904,487,521.47 is: 1,248,152,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,171,925.21 : 2,136,408,337.89 = 904,487,521.47 : x
  2. Step 2: Convert to fraction form
    1,548,171,925.21/2,136,408,337.89 = 904,487,521.47/x
  3. Step 3: Cross multiply
    1,548,171,925.21x = 2,136,408,337.89 × 904,487,521.47
  4. Step 4: Simplify right side
    1,548,171,925.21x = 1,932,354,682,385,968,640
  5. Step 5: Solve for x
    x = 1,932,354,682,385,968,640/1,548,171,925.21
  6. Step 6: Final answer
    x = 1,248,152,515.18

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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.