Home / 1,164,749,453.42-1,607,393,910.09-688,847,774.61

Finding the Fourth Proportional to 1,164,749,453.42, 1,607,393,910.09 and 688,847,774.61

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Solution

The fourth proportional to 1,164,749,453.42, 1,607,393,910.09 and 688,847,774.61 is: 950,633,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,749,453.42 : 1,607,393,910.09 = 688,847,774.61 : x
  2. Step 2: Convert to fraction form
    1,164,749,453.42/1,607,393,910.09 = 688,847,774.61/x
  3. Step 3: Cross multiply
    1,164,749,453.42x = 1,607,393,910.09 × 688,847,774.61
  4. Step 4: Simplify right side
    1,164,749,453.42x = 1,107,249,717,883,718,784
  5. Step 5: Solve for x
    x = 1,107,249,717,883,718,784/1,164,749,453.42
  6. Step 6: Final answer
    x = 950,633,386.98

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.