Home / 429,064,128,015.20-643,596,192,022.80-429,064,128,015.20

Finding the Fourth Proportional to 429,064,128,015.20, 643,596,192,022.80 and 429,064,128,015.20

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Solution

The fourth proportional to 429,064,128,015.20, 643,596,192,022.80 and 429,064,128,015.20 is: 643,596,192,022.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,064,128,015.20 : 643,596,192,022.80 = 429,064,128,015.20 : x
  2. Step 2: Convert to fraction form
    429,064,128,015.20/643,596,192,022.80 = 429,064,128,015.20/x
  3. Step 3: Cross multiply
    429,064,128,015.20x = 643,596,192,022.80 × 429,064,128,015.20
  4. Step 4: Simplify right side
    429,064,128,015.20x = 276,144,038,924,165,926,879,232
  5. Step 5: Solve for x
    x = 276,144,038,924,165,926,879,232/429,064,128,015.20
  6. Step 6: Final answer
    x = 643,596,192,022.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.