Home / 1,985,912,998,819.50-2,978,869,537,641.30-476,680,163,468.10

Finding the Fourth Proportional to 1,985,912,998,819.50, 2,978,869,537,641.30 and 476,680,163,468.10

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Solution

The fourth proportional to 1,985,912,998,819.50, 2,978,869,537,641.30 and 476,680,163,468.10 is: 715,020,254,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,912,998,819.50 : 2,978,869,537,641.30 = 476,680,163,468.10 : x
  2. Step 2: Convert to fraction form
    1,985,912,998,819.50/2,978,869,537,641.30 = 476,680,163,468.10/x
  3. Step 3: Cross multiply
    1,985,912,998,819.50x = 2,978,869,537,641.30 × 476,680,163,468.10
  4. Step 4: Simplify right side
    1,985,912,998,819.50x = 1,419,968,018,152,998,127,534,080
  5. Step 5: Solve for x
    x = 1,419,968,018,152,998,127,534,080/1,985,912,998,819.50
  6. Step 6: Final answer
    x = 715,020,254,662.25

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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.