Home / 293,453,901,811.40-440,180,852,717.10-258,121,153,214.60

Finding the Fourth Proportional to 293,453,901,811.40, 440,180,852,717.10 and 258,121,153,214.60

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Solution

The fourth proportional to 293,453,901,811.40, 440,180,852,717.10 and 258,121,153,214.60 is: 387,181,729,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,453,901,811.40 : 440,180,852,717.10 = 258,121,153,214.60 : x
  2. Step 2: Convert to fraction form
    293,453,901,811.40/440,180,852,717.10 = 258,121,153,214.60/x
  3. Step 3: Cross multiply
    293,453,901,811.40x = 440,180,852,717.10 × 258,121,153,214.60
  4. Step 4: Simplify right side
    293,453,901,811.40x = 113,619,989,326,323,842,547,712
  5. Step 5: Solve for x
    x = 113,619,989,326,323,842,547,712/293,453,901,811.40
  6. Step 6: Final answer
    x = 387,181,729,821.90

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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.