Home / 1,369,078,973.55-2,042,107,752.60-1,243,393,845.93

Finding the Fourth Proportional to 1,369,078,973.55, 2,042,107,752.60 and 1,243,393,845.93

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Solution

The fourth proportional to 1,369,078,973.55, 2,042,107,752.60 and 1,243,393,845.93 is: 1,854,636,775.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,078,973.55 : 2,042,107,752.60 = 1,243,393,845.93 : x
  2. Step 2: Convert to fraction form
    1,369,078,973.55/2,042,107,752.60 = 1,243,393,845.93/x
  3. Step 3: Cross multiply
    1,369,078,973.55x = 2,042,107,752.60 × 1,243,393,845.93
  4. Step 4: Simplify right side
    1,369,078,973.55x = 2,539,144,212,308,783,104
  5. Step 5: Solve for x
    x = 2,539,144,212,308,783,104/1,369,078,973.55
  6. Step 6: Final answer
    x = 1,854,636,775.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.