Home / 708,588,743.40-1,062,883,115.10-191,071,497.60

Finding the Fourth Proportional to 708,588,743.40, 1,062,883,115.10 and 191,071,497.60

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Solution

The fourth proportional to 708,588,743.40, 1,062,883,115.10 and 191,071,497.60 is: 286,607,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,743.40 : 1,062,883,115.10 = 191,071,497.60 : x
  2. Step 2: Convert to fraction form
    708,588,743.40/1,062,883,115.10 = 191,071,497.60/x
  3. Step 3: Cross multiply
    708,588,743.40x = 1,062,883,115.10 × 191,071,497.60
  4. Step 4: Simplify right side
    708,588,743.40x = 203,086,668,575,910,176
  5. Step 5: Solve for x
    x = 203,086,668,575,910,176/708,588,743.40
  6. Step 6: Final answer
    x = 286,607,246.40

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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.