Home / 1,511,872,034.40-2,267,808,051.60-421,355,102.40

Finding the Fourth Proportional to 1,511,872,034.40, 2,267,808,051.60 and 421,355,102.40

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Solution

The fourth proportional to 1,511,872,034.40, 2,267,808,051.60 and 421,355,102.40 is: 632,032,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,872,034.40 : 2,267,808,051.60 = 421,355,102.40 : x
  2. Step 2: Convert to fraction form
    1,511,872,034.40/2,267,808,051.60 = 421,355,102.40/x
  3. Step 3: Cross multiply
    1,511,872,034.40x = 2,267,808,051.60 × 421,355,102.40
  4. Step 4: Simplify right side
    1,511,872,034.40x = 955,552,493,805,462,400
  5. Step 5: Solve for x
    x = 955,552,493,805,462,400/1,511,872,034.40
  6. Step 6: Final answer
    x = 632,032,653.60

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Similar ratio
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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.