Home / 828,113,474.66-1,142,778,201.84-456,835,407.62

Finding the Fourth Proportional to 828,113,474.66, 1,142,778,201.84 and 456,835,407.62

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Solution

The fourth proportional to 828,113,474.66, 1,142,778,201.84 and 456,835,407.62 is: 630,422,715.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,113,474.66 : 1,142,778,201.84 = 456,835,407.62 : x
  2. Step 2: Convert to fraction form
    828,113,474.66/1,142,778,201.84 = 456,835,407.62/x
  3. Step 3: Cross multiply
    828,113,474.66x = 1,142,778,201.84 × 456,835,407.62
  4. Step 4: Simplify right side
    828,113,474.66x = 522,061,545,651,113,088
  5. Step 5: Solve for x
    x = 522,061,545,651,113,088/828,113,474.66
  6. Step 6: Final answer
    x = 630,422,715.76

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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.