Home / 1,488,374,417.21-2,232,897,970.12-492,393,109.89

Finding the Fourth Proportional to 1,488,374,417.21, 2,232,897,970.12 and 492,393,109.89

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Solution

The fourth proportional to 1,488,374,417.21, 2,232,897,970.12 and 492,393,109.89 is: 738,700,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,374,417.21 : 2,232,897,970.12 = 492,393,109.89 : x
  2. Step 2: Convert to fraction form
    1,488,374,417.21/2,232,897,970.12 = 492,393,109.89/x
  3. Step 3: Cross multiply
    1,488,374,417.21x = 2,232,897,970.12 × 492,393,109.89
  4. Step 4: Simplify right side
    1,488,374,417.21x = 1,099,463,575,573,223,936
  5. Step 5: Solve for x
    x = 1,099,463,575,573,223,936/1,488,374,417.21
  6. Step 6: Final answer
    x = 738,700,936.31

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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.