Home / 2,125,832,409.60-3,188,748,614.40-573,280,672.20

Finding the Fourth Proportional to 2,125,832,409.60, 3,188,748,614.40 and 573,280,672.20

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Solution

The fourth proportional to 2,125,832,409.60, 3,188,748,614.40 and 573,280,672.20 is: 859,921,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,832,409.60 : 3,188,748,614.40 = 573,280,672.20 : x
  2. Step 2: Convert to fraction form
    2,125,832,409.60/3,188,748,614.40 = 573,280,672.20/x
  3. Step 3: Cross multiply
    2,125,832,409.60x = 3,188,748,614.40 × 573,280,672.20
  4. Step 4: Simplify right side
    2,125,832,409.60x = 1,828,047,949,140,050,688
  5. Step 5: Solve for x
    x = 1,828,047,949,140,050,688/2,125,832,409.60
  6. Step 6: Final answer
    x = 859,921,008.30

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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.