Home / 352,499,206.60-528,748,809.90-279,939,795.40

Finding the Fourth Proportional to 352,499,206.60, 528,748,809.90 and 279,939,795.40

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Solution

The fourth proportional to 352,499,206.60, 528,748,809.90 and 279,939,795.40 is: 419,909,693.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,499,206.60 : 528,748,809.90 = 279,939,795.40 : x
  2. Step 2: Convert to fraction form
    352,499,206.60/528,748,809.90 = 279,939,795.40/x
  3. Step 3: Cross multiply
    352,499,206.60x = 528,748,809.90 × 279,939,795.40
  4. Step 4: Simplify right side
    352,499,206.60x = 148,017,833,661,399,488
  5. Step 5: Solve for x
    x = 148,017,833,661,399,488/352,499,206.60
  6. Step 6: Final answer
    x = 419,909,693.10

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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.