Home / 669,303,276.80-1,003,954,915.20-623,386,774.40

Finding the Fourth Proportional to 669,303,276.80, 1,003,954,915.20 and 623,386,774.40

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Solution

The fourth proportional to 669,303,276.80, 1,003,954,915.20 and 623,386,774.40 is: 935,080,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,303,276.80 : 1,003,954,915.20 = 623,386,774.40 : x
  2. Step 2: Convert to fraction form
    669,303,276.80/1,003,954,915.20 = 623,386,774.40/x
  3. Step 3: Cross multiply
    669,303,276.80x = 1,003,954,915.20 × 623,386,774.40
  4. Step 4: Simplify right side
    669,303,276.80x = 625,852,216,229,553,536
  5. Step 5: Solve for x
    x = 625,852,216,229,553,536/669,303,276.80
  6. Step 6: Final answer
    x = 935,080,161.60

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1.5x scale

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.