Home / 354,315,361.40-531,473,042.10-262,482,356.60

Finding the Fourth Proportional to 354,315,361.40, 531,473,042.10 and 262,482,356.60

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Solution

The fourth proportional to 354,315,361.40, 531,473,042.10 and 262,482,356.60 is: 393,723,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,315,361.40 : 531,473,042.10 = 262,482,356.60 : x
  2. Step 2: Convert to fraction form
    354,315,361.40/531,473,042.10 = 262,482,356.60/x
  3. Step 3: Cross multiply
    354,315,361.40x = 531,473,042.10 × 262,482,356.60
  4. Step 4: Simplify right side
    354,315,361.40x = 139,502,296,559,779,008
  5. Step 5: Solve for x
    x = 139,502,296,559,779,008/354,315,361.40
  6. Step 6: Final answer
    x = 393,723,534.90

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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.