Home / 817,753,658.70-1,226,630,488.05-495,267,386.70

Finding the Fourth Proportional to 817,753,658.70, 1,226,630,488.05 and 495,267,386.70

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Solution

The fourth proportional to 817,753,658.70, 1,226,630,488.05 and 495,267,386.70 is: 742,901,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,753,658.70 : 1,226,630,488.05 = 495,267,386.70 : x
  2. Step 2: Convert to fraction form
    817,753,658.70/1,226,630,488.05 = 495,267,386.70/x
  3. Step 3: Cross multiply
    817,753,658.70x = 1,226,630,488.05 × 495,267,386.70
  4. Step 4: Simplify right side
    817,753,658.70x = 607,510,076,263,069,056
  5. Step 5: Solve for x
    x = 607,510,076,263,069,056/817,753,658.70
  6. Step 6: Final answer
    x = 742,901,080.05

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Double scale
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Similar ratio
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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.