Home / 539,136,411.40-808,704,617.10-216,252,008.20

Finding the Fourth Proportional to 539,136,411.40, 808,704,617.10 and 216,252,008.20

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Solution

The fourth proportional to 539,136,411.40, 808,704,617.10 and 216,252,008.20 is: 324,378,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,411.40 : 808,704,617.10 = 216,252,008.20 : x
  2. Step 2: Convert to fraction form
    539,136,411.40/808,704,617.10 = 216,252,008.20/x
  3. Step 3: Cross multiply
    539,136,411.40x = 808,704,617.10 × 216,252,008.20
  4. Step 4: Simplify right side
    539,136,411.40x = 174,883,997,488,487,040
  5. Step 5: Solve for x
    x = 174,883,997,488,487,040/539,136,411.40
  6. Step 6: Final answer
    x = 324,378,012.30

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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.