Home / 559,915,376.80-839,873,065.20-355,590,090.40

Finding the Fourth Proportional to 559,915,376.80, 839,873,065.20 and 355,590,090.40

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Solution

The fourth proportional to 559,915,376.80, 839,873,065.20 and 355,590,090.40 is: 533,385,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,915,376.80 : 839,873,065.20 = 355,590,090.40 : x
  2. Step 2: Convert to fraction form
    559,915,376.80/839,873,065.20 = 355,590,090.40/x
  3. Step 3: Cross multiply
    559,915,376.80x = 839,873,065.20 × 355,590,090.40
  4. Step 4: Simplify right side
    559,915,376.80x = 298,650,539,178,993,088
  5. Step 5: Solve for x
    x = 298,650,539,178,993,088/559,915,376.80
  6. Step 6: Final answer
    x = 533,385,135.60

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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.