Home / 1,548,171,907.10-2,136,408,312.88-904,487,503.37

Finding the Fourth Proportional to 1,548,171,907.10, 2,136,408,312.88 and 904,487,503.37

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Solution

The fourth proportional to 1,548,171,907.10, 2,136,408,312.88 and 904,487,503.37 is: 1,248,152,490.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548,171,907.10 : 2,136,408,312.88 = 904,487,503.37 : x
  2. Step 2: Convert to fraction form
    1,548,171,907.10/2,136,408,312.88 = 904,487,503.37/x
  3. Step 3: Cross multiply
    1,548,171,907.10x = 2,136,408,312.88 × 904,487,503.37
  4. Step 4: Simplify right side
    1,548,171,907.10x = 1,932,354,621,086,148,352
  5. Step 5: Solve for x
    x = 1,932,354,621,086,148,352/1,548,171,907.10
  6. Step 6: Final answer
    x = 1,248,152,490.19

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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.