Home / 1,331,495,758.72-1,837,602,454.08-767,000,149.12

Finding the Fourth Proportional to 1,331,495,758.72, 1,837,602,454.08 and 767,000,149.12

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Solution

The fourth proportional to 1,331,495,758.72, 1,837,602,454.08 and 767,000,149.12 is: 1,058,539,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,495,758.72 : 1,837,602,454.08 = 767,000,149.12 : x
  2. Step 2: Convert to fraction form
    1,331,495,758.72/1,837,602,454.08 = 767,000,149.12/x
  3. Step 3: Cross multiply
    1,331,495,758.72x = 1,837,602,454.08 × 767,000,149.12
  4. Step 4: Simplify right side
    1,331,495,758.72x = 1,409,441,356,302,637,824
  5. Step 5: Solve for x
    x = 1,409,441,356,302,637,824/1,331,495,758.72
  6. Step 6: Final answer
    x = 1,058,539,876.73

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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.