Home / 562,626,482.86-776,414,269.92-311,729,959.72

Finding the Fourth Proportional to 562,626,482.86, 776,414,269.92 and 311,729,959.72

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Solution

The fourth proportional to 562,626,482.86, 776,414,269.92 and 311,729,959.72 is: 430,181,650.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,626,482.86 : 776,414,269.92 = 311,729,959.72 : x
  2. Step 2: Convert to fraction form
    562,626,482.86/776,414,269.92 = 311,729,959.72/x
  3. Step 3: Cross multiply
    562,626,482.86x = 776,414,269.92 × 311,729,959.72
  4. Step 4: Simplify right side
    562,626,482.86x = 242,031,589,088,194,816
  5. Step 5: Solve for x
    x = 242,031,589,088,194,816/562,626,482.86
  6. Step 6: Final answer
    x = 430,181,650.64

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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.