Home / 507,357,861.16-700,141,940.12-298,527,529.72

Finding the Fourth Proportional to 507,357,861.16, 700,141,940.12 and 298,527,529.72

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Solution

The fourth proportional to 507,357,861.16, 700,141,940.12 and 298,527,529.72 is: 411,960,984.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,357,861.16 : 700,141,940.12 = 298,527,529.72 : x
  2. Step 2: Convert to fraction form
    507,357,861.16/700,141,940.12 = 298,527,529.72/x
  3. Step 3: Cross multiply
    507,357,861.16x = 700,141,940.12 × 298,527,529.72
  4. Step 4: Simplify right side
    507,357,861.16x = 209,011,643,837,391,776
  5. Step 5: Solve for x
    x = 209,011,643,837,391,776/507,357,861.16
  6. Step 6: Final answer
    x = 411,960,984.22

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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.