Home / 746,774,254.20-1,030,564,967.60-412,245,984.28

Finding the Fourth Proportional to 746,774,254.20, 1,030,564,967.60 and 412,245,984.28

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Solution

The fourth proportional to 746,774,254.20, 1,030,564,967.60 and 412,245,984.28 is: 568,908,565.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,774,254.20 : 1,030,564,967.60 = 412,245,984.28 : x
  2. Step 2: Convert to fraction form
    746,774,254.20/1,030,564,967.60 = 412,245,984.28/x
  3. Step 3: Cross multiply
    746,774,254.20x = 1,030,564,967.60 × 412,245,984.28
  4. Step 4: Simplify right side
    746,774,254.20x = 424,846,269,432,748,288
  5. Step 5: Solve for x
    x = 424,846,269,432,748,288/746,774,254.20
  6. Step 6: Final answer
    x = 568,908,565.13

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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.