Home / 1,125,630,917.86-1,553,370,813.91-623,872,095.97

Finding the Fourth Proportional to 1,125,630,917.86, 1,553,370,813.91 and 623,872,095.97

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Solution

The fourth proportional to 1,125,630,917.86, 1,553,370,813.91 and 623,872,095.97 is: 860,943,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,630,917.86 : 1,553,370,813.91 = 623,872,095.97 : x
  2. Step 2: Convert to fraction form
    1,125,630,917.86/1,553,370,813.91 = 623,872,095.97/x
  3. Step 3: Cross multiply
    1,125,630,917.86x = 1,553,370,813.91 × 623,872,095.97
  4. Step 4: Simplify right side
    1,125,630,917.86x = 969,104,705,492,656,640
  5. Step 5: Solve for x
    x = 969,104,705,492,656,640/1,125,630,917.86
  6. Step 6: Final answer
    x = 860,943,574.06

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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.