Home / 507,357,963.16-700,142,080.98-298,527,631.72

Finding the Fourth Proportional to 507,357,963.16, 700,142,080.98 and 298,527,631.72

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Solution

The fourth proportional to 507,357,963.16, 700,142,080.98 and 298,527,631.72 is: 411,961,125.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,357,963.16 : 700,142,080.98 = 298,527,631.72 : x
  2. Step 2: Convert to fraction form
    507,357,963.16/700,142,080.98 = 298,527,631.72/x
  3. Step 3: Cross multiply
    507,357,963.16x = 700,142,080.98 × 298,527,631.72
  4. Step 4: Simplify right side
    507,357,963.16x = 209,011,757,302,471,872
  5. Step 5: Solve for x
    x = 209,011,757,302,471,872/507,357,963.16
  6. Step 6: Final answer
    x = 411,961,125.04

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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.