Home / 432,510,824,068.93-648,703,084,789.56-126,118,271,004.22

Finding the Fourth Proportional to 432,510,824,068.93, 648,703,084,789.56 and 126,118,271,004.22

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Solution

The fourth proportional to 432,510,824,068.93, 648,703,084,789.56 and 126,118,271,004.22 is: 189,158,991,858.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,510,824,068.93 : 648,703,084,789.56 = 126,118,271,004.22 : x
  2. Step 2: Convert to fraction form
    432,510,824,068.93/648,703,084,789.56 = 126,118,271,004.22/x
  3. Step 3: Cross multiply
    432,510,824,068.93x = 648,703,084,789.56 × 126,118,271,004.22
  4. Step 4: Simplify right side
    432,510,824,068.93x = 81,813,311,448,763,242,381,312
  5. Step 5: Solve for x
    x = 81,813,311,448,763,242,381,312/432,510,824,068.93
  6. Step 6: Final answer
    x = 189,158,991,858.49

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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.