Home / 559,872,001.80-839,808,002.70-354,287,003.40

Finding the Fourth Proportional to 559,872,001.80, 839,808,002.70 and 354,287,003.40

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Solution

The fourth proportional to 559,872,001.80, 839,808,002.70 and 354,287,003.40 is: 531,430,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,001.80 : 839,808,002.70 = 354,287,003.40 : x
  2. Step 2: Convert to fraction form
    559,872,001.80/839,808,002.70 = 354,287,003.40/x
  3. Step 3: Cross multiply
    559,872,001.80x = 839,808,002.70 × 354,287,003.40
  4. Step 4: Simplify right side
    559,872,001.80x = 297,533,060,707,922,112
  5. Step 5: Solve for x
    x = 297,533,060,707,922,112/559,872,001.80
  6. Step 6: Final answer
    x = 531,430,505.10

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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.