Home / 415,367,355.16-623,052,088.10-169,723,990.50

Finding the Fourth Proportional to 415,367,355.16, 623,052,088.10 and 169,723,990.50

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Solution

The fourth proportional to 415,367,355.16, 623,052,088.10 and 169,723,990.50 is: 254,586,416.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,367,355.16 : 623,052,088.10 = 169,723,990.50 : x
  2. Step 2: Convert to fraction form
    415,367,355.16/623,052,088.10 = 169,723,990.50/x
  3. Step 3: Cross multiply
    415,367,355.16x = 623,052,088.10 × 169,723,990.50
  4. Step 4: Simplify right side
    415,367,355.16x = 105,746,886,681,689,568
  5. Step 5: Solve for x
    x = 105,746,886,681,689,568/415,367,355.16
  6. Step 6: Final answer
    x = 254,586,416.98

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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.