Home / 1,164,133,630.40-1,746,443,056.80-388,020,401.60

Finding the Fourth Proportional to 1,164,133,630.40, 1,746,443,056.80 and 388,020,401.60

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Solution

The fourth proportional to 1,164,133,630.40, 1,746,443,056.80 and 388,020,401.60 is: 582,111,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,133,630.40 : 1,746,443,056.80 = 388,020,401.60 : x
  2. Step 2: Convert to fraction form
    1,164,133,630.40/1,746,443,056.80 = 388,020,401.60/x
  3. Step 3: Cross multiply
    1,164,133,630.40x = 1,746,443,056.80 × 388,020,401.60
  4. Step 4: Simplify right side
    1,164,133,630.40x = 677,655,536,271,067,648
  5. Step 5: Solve for x
    x = 677,655,536,271,067,648/1,164,133,630.40
  6. Step 6: Final answer
    x = 582,111,467.77

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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.