Home / 612,340,826.12-918,255,851.10-192,053,913.86

Finding the Fourth Proportional to 612,340,826.12, 918,255,851.10 and 192,053,913.86

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Solution

The fourth proportional to 612,340,826.12, 918,255,851.10 and 192,053,913.86 is: 288,000,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,340,826.12 : 918,255,851.10 = 192,053,913.86 : x
  2. Step 2: Convert to fraction form
    612,340,826.12/918,255,851.10 = 192,053,913.86/x
  3. Step 3: Cross multiply
    612,340,826.12x = 918,255,851.10 × 192,053,913.86
  4. Step 4: Simplify right side
    612,340,826.12x = 176,354,630,124,009,088
  5. Step 5: Solve for x
    x = 176,354,630,124,009,088/612,340,826.12
  6. Step 6: Final answer
    x = 288,000,771.14

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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.