Home / 706,725,806.61-975,250,153.45-405,094,878.41

Finding the Fourth Proportional to 706,725,806.61, 975,250,153.45 and 405,094,878.41

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Solution

The fourth proportional to 706,725,806.61, 975,250,153.45 and 405,094,878.41 is: 559,012,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,725,806.61 : 975,250,153.45 = 405,094,878.41 : x
  2. Step 2: Convert to fraction form
    706,725,806.61/975,250,153.45 = 405,094,878.41/x
  3. Step 3: Cross multiply
    706,725,806.61x = 975,250,153.45 × 405,094,878.41
  4. Step 4: Simplify right side
    706,725,806.61x = 395,068,842,335,013,056
  5. Step 5: Solve for x
    x = 395,068,842,335,013,056/706,725,806.61
  6. Step 6: Final answer
    x = 559,012,899.54

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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.