Home / 817,753,657.20-1,226,630,485.80-495,267,385.20

Finding the Fourth Proportional to 817,753,657.20, 1,226,630,485.80 and 495,267,385.20

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Solution

The fourth proportional to 817,753,657.20, 1,226,630,485.80 and 495,267,385.20 is: 742,901,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,753,657.20 : 1,226,630,485.80 = 495,267,385.20 : x
  2. Step 2: Convert to fraction form
    817,753,657.20/1,226,630,485.80 = 495,267,385.20/x
  3. Step 3: Cross multiply
    817,753,657.20x = 1,226,630,485.80 × 495,267,385.20
  4. Step 4: Simplify right side
    817,753,657.20x = 607,510,073,308,771,712
  5. Step 5: Solve for x
    x = 607,510,073,308,771,712/817,753,657.20
  6. Step 6: Final answer
    x = 742,901,077.80

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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.