Home / 651,925,369.20-977,888,053.80-215,293,443.60

Finding the Fourth Proportional to 651,925,369.20, 977,888,053.80 and 215,293,443.60

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Solution

The fourth proportional to 651,925,369.20, 977,888,053.80 and 215,293,443.60 is: 322,940,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,925,369.20 : 977,888,053.80 = 215,293,443.60 : x
  2. Step 2: Convert to fraction form
    651,925,369.20/977,888,053.80 = 215,293,443.60/x
  3. Step 3: Cross multiply
    651,925,369.20x = 977,888,053.80 × 215,293,443.60
  4. Step 4: Simplify right side
    651,925,369.20x = 210,532,886,557,904,064
  5. Step 5: Solve for x
    x = 210,532,886,557,904,064/651,925,369.20
  6. Step 6: Final answer
    x = 322,940,165.40

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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.