Home / 353,640,772,621.80-530,461,158,932.70-194,402,342,298.60

Finding the Fourth Proportional to 353,640,772,621.80, 530,461,158,932.70 and 194,402,342,298.60

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Solution

The fourth proportional to 353,640,772,621.80, 530,461,158,932.70 and 194,402,342,298.60 is: 291,603,513,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,640,772,621.80 : 530,461,158,932.70 = 194,402,342,298.60 : x
  2. Step 2: Convert to fraction form
    353,640,772,621.80/530,461,158,932.70 = 194,402,342,298.60/x
  3. Step 3: Cross multiply
    353,640,772,621.80x = 530,461,158,932.70 × 194,402,342,298.60
  4. Step 4: Simplify right side
    353,640,772,621.80x = 103,122,891,794,946,807,824,384
  5. Step 5: Solve for x
    x = 103,122,891,794,946,807,824,384/353,640,772,621.80
  6. Step 6: Final answer
    x = 291,603,513,447.90

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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.