Home / 666,506,959,946.80-919,763,960,027.64-392,170,381,503.58

Finding the Fourth Proportional to 666,506,959,946.80, 919,763,960,027.64 and 392,170,381,503.58

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Solution

The fourth proportional to 666,506,959,946.80, 919,763,960,027.64 and 392,170,381,503.58 is: 541,185,921,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,506,959,946.80 : 919,763,960,027.64 = 392,170,381,503.58 : x
  2. Step 2: Convert to fraction form
    666,506,959,946.80/919,763,960,027.64 = 392,170,381,503.58/x
  3. Step 3: Cross multiply
    666,506,959,946.80x = 919,763,960,027.64 × 392,170,381,503.58
  4. Step 4: Simplify right side
    666,506,959,946.80x = 360,704,183,097,283,124,920,320
  5. Step 5: Solve for x
    x = 360,704,183,097,283,124,920,320/666,506,959,946.80
  6. Step 6: Final answer
    x = 541,185,921,188.39

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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.