Home / 1,155,446,878.32-1,594,516,692.04-660,420,215.64

Finding the Fourth Proportional to 1,155,446,878.32, 1,594,516,692.04 and 660,420,215.64

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Solution

The fourth proportional to 1,155,446,878.32, 1,594,516,692.04 and 660,420,215.64 is: 911,379,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,446,878.32 : 1,594,516,692.04 = 660,420,215.64 : x
  2. Step 2: Convert to fraction form
    1,155,446,878.32/1,594,516,692.04 = 660,420,215.64/x
  3. Step 3: Cross multiply
    1,155,446,878.32x = 1,594,516,692.04 × 660,420,215.64
  4. Step 4: Simplify right side
    1,155,446,878.32x = 1,053,051,057,598,636,160
  5. Step 5: Solve for x
    x = 1,053,051,057,598,636,160/1,155,446,878.32
  6. Step 6: Final answer
    x = 911,379,897.56

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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.