Home / 559,876,020.40-839,814,030.60-519,061,351.60

Finding the Fourth Proportional to 559,876,020.40, 839,814,030.60 and 519,061,351.60

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Solution

The fourth proportional to 559,876,020.40, 839,814,030.60 and 519,061,351.60 is: 778,592,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,876,020.40 : 839,814,030.60 = 519,061,351.60 : x
  2. Step 2: Convert to fraction form
    559,876,020.40/839,814,030.60 = 519,061,351.60/x
  3. Step 3: Cross multiply
    559,876,020.40x = 839,814,030.60 × 519,061,351.60
  4. Step 4: Simplify right side
    559,876,020.40x = 435,915,005,815,879,808
  5. Step 5: Solve for x
    x = 435,915,005,815,879,808/559,876,020.40
  6. Step 6: Final answer
    x = 778,592,027.40

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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.