Home / 926,708,949.20-1,390,042,169.40-466,523,541.20

Finding the Fourth Proportional to 926,708,949.20, 1,390,042,169.40 and 466,523,541.20

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Solution

The fourth proportional to 926,708,949.20, 1,390,042,169.40 and 466,523,541.20 is: 699,774,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,708,949.20 : 1,390,042,169.40 = 466,523,541.20 : x
  2. Step 2: Convert to fraction form
    926,708,949.20/1,390,042,169.40 = 466,523,541.20/x
  3. Step 3: Cross multiply
    926,708,949.20x = 1,390,042,169.40 × 466,523,541.20
  4. Step 4: Simplify right side
    926,708,949.20x = 648,487,395,285,818,368
  5. Step 5: Solve for x
    x = 648,487,395,285,818,368/926,708,949.20
  6. Step 6: Final answer
    x = 699,774,611.92

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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.