Home / 666,794,656.13-920,176,625.48-373,439,224.13

Finding the Fourth Proportional to 666,794,656.13, 920,176,625.48 and 373,439,224.13

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Solution

The fourth proportional to 666,794,656.13, 920,176,625.48 and 373,439,224.13 is: 515,346,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,794,656.13 : 920,176,625.48 = 373,439,224.13 : x
  2. Step 2: Convert to fraction form
    666,794,656.13/920,176,625.48 = 373,439,224.13/x
  3. Step 3: Cross multiply
    666,794,656.13x = 920,176,625.48 × 373,439,224.13
  4. Step 4: Simplify right side
    666,794,656.13x = 343,630,045,075,344,704
  5. Step 5: Solve for x
    x = 343,630,045,075,344,704/666,794,656.13
  6. Step 6: Final answer
    x = 515,346,129.31

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1.5x scale

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.