Home / 1,125,630,913.62-1,553,370,808.06-623,872,091.74

Finding the Fourth Proportional to 1,125,630,913.62, 1,553,370,808.06 and 623,872,091.74

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Solution

The fourth proportional to 1,125,630,913.62, 1,553,370,808.06 and 623,872,091.74 is: 860,943,568.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,630,913.62 : 1,553,370,808.06 = 623,872,091.74 : x
  2. Step 2: Convert to fraction form
    1,125,630,913.62/1,553,370,808.06 = 623,872,091.74/x
  3. Step 3: Cross multiply
    1,125,630,913.62x = 1,553,370,808.06 × 623,872,091.74
  4. Step 4: Simplify right side
    1,125,630,913.62x = 969,104,695,272,246,272
  5. Step 5: Solve for x
    x = 969,104,695,272,246,272/1,125,630,913.62
  6. Step 6: Final answer
    x = 860,943,568.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.