Home / 559,488,021.80-839,232,032.70-548,738,479.40

Finding the Fourth Proportional to 559,488,021.80, 839,232,032.70 and 548,738,479.40

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Solution

The fourth proportional to 559,488,021.80, 839,232,032.70 and 548,738,479.40 is: 823,107,719.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,488,021.80 : 839,232,032.70 = 548,738,479.40 : x
  2. Step 2: Convert to fraction form
    559,488,021.80/839,232,032.70 = 548,738,479.40/x
  3. Step 3: Cross multiply
    559,488,021.80x = 839,232,032.70 × 548,738,479.40
  4. Step 4: Simplify right side
    559,488,021.80x = 460,518,909,487,569,088
  5. Step 5: Solve for x
    x = 460,518,909,487,569,088/559,488,021.80
  6. Step 6: Final answer
    x = 823,107,719.10

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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.