Home / 507,357,862.16-700,141,941.50-298,527,530.72

Finding the Fourth Proportional to 507,357,862.16, 700,141,941.50 and 298,527,530.72

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Solution

The fourth proportional to 507,357,862.16, 700,141,941.50 and 298,527,530.72 is: 411,960,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,357,862.16 : 700,141,941.50 = 298,527,530.72 : x
  2. Step 2: Convert to fraction form
    507,357,862.16/700,141,941.50 = 298,527,530.72/x
  3. Step 3: Cross multiply
    507,357,862.16x = 700,141,941.50 × 298,527,530.72
  4. Step 4: Simplify right side
    507,357,862.16x = 209,011,644,949,501,728
  5. Step 5: Solve for x
    x = 209,011,644,949,501,728/507,357,862.16
  6. Step 6: Final answer
    x = 411,960,985.60

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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.