Home / 420,271,537,935.72-630,276,925,331.88-151,625,594,586.36

Finding the Fourth Proportional to 420,271,537,935.72, 630,276,925,331.88 and 151,625,594,586.36

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Solution

The fourth proportional to 420,271,537,935.72, 630,276,925,331.88 and 151,625,594,586.36 is: 227,391,352,807.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,271,537,935.72 : 630,276,925,331.88 = 151,625,594,586.36 : x
  2. Step 2: Convert to fraction form
    420,271,537,935.72/630,276,925,331.88 = 151,625,594,586.36/x
  3. Step 3: Cross multiply
    420,271,537,935.72x = 630,276,925,331.88 × 151,625,594,586.36
  4. Step 4: Simplify right side
    420,271,537,935.72x = 95,566,113,557,509,117,575,168
  5. Step 5: Solve for x
    x = 95,566,113,557,509,117,575,168/420,271,537,935.72
  6. Step 6: Final answer
    x = 227,391,352,807.07

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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.