Home / 352,405,210.40-528,607,815.60-261,705,946.40

Finding the Fourth Proportional to 352,405,210.40, 528,607,815.60 and 261,705,946.40

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Solution

The fourth proportional to 352,405,210.40, 528,607,815.60 and 261,705,946.40 is: 392,558,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,405,210.40 : 528,607,815.60 = 261,705,946.40 : x
  2. Step 2: Convert to fraction form
    352,405,210.40/528,607,815.60 = 261,705,946.40/x
  3. Step 3: Cross multiply
    352,405,210.40x = 528,607,815.60 × 261,705,946.40
  4. Step 4: Simplify right side
    352,405,210.40x = 138,339,808,656,034,688
  5. Step 5: Solve for x
    x = 138,339,808,656,034,688/352,405,210.40
  6. Step 6: Final answer
    x = 392,558,919.60

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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.