Home / 265,720,586.80-398,580,880.20-163,152,036.40

Finding the Fourth Proportional to 265,720,586.80, 398,580,880.20 and 163,152,036.40

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Solution

The fourth proportional to 265,720,586.80, 398,580,880.20 and 163,152,036.40 is: 244,728,054.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,720,586.80 : 398,580,880.20 = 163,152,036.40 : x
  2. Step 2: Convert to fraction form
    265,720,586.80/398,580,880.20 = 163,152,036.40/x
  3. Step 3: Cross multiply
    265,720,586.80x = 398,580,880.20 × 163,152,036.40
  4. Step 4: Simplify right side
    265,720,586.80x = 65,029,282,274,734,440
  5. Step 5: Solve for x
    x = 65,029,282,274,734,440/265,720,586.80
  6. Step 6: Final answer
    x = 244,728,054.60

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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.