Home / 459,653,145.60-689,479,718.40-417,326,822.40

Finding the Fourth Proportional to 459,653,145.60, 689,479,718.40 and 417,326,822.40

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Solution

The fourth proportional to 459,653,145.60, 689,479,718.40 and 417,326,822.40 is: 625,990,233.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,653,145.60 : 689,479,718.40 = 417,326,822.40 : x
  2. Step 2: Convert to fraction form
    459,653,145.60/689,479,718.40 = 417,326,822.40/x
  3. Step 3: Cross multiply
    459,653,145.60x = 689,479,718.40 × 417,326,822.40
  4. Step 4: Simplify right side
    459,653,145.60x = 287,738,379,989,118,784
  5. Step 5: Solve for x
    x = 287,738,379,989,118,784/459,653,145.60
  6. Step 6: Final answer
    x = 625,990,233.60

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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.