Home / 946,006,109.10-1,296,006,719.66-910,637,011.98

Finding the Fourth Proportional to 946,006,109.10, 1,296,006,719.66 and 910,637,011.98

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Solution

The fourth proportional to 946,006,109.10, 1,296,006,719.66 and 910,637,011.98 is: 1,247,551,866.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,006,109.10 : 1,296,006,719.66 = 910,637,011.98 : x
  2. Step 2: Convert to fraction form
    946,006,109.10/1,296,006,719.66 = 910,637,011.98/x
  3. Step 3: Cross multiply
    946,006,109.10x = 1,296,006,719.66 × 910,637,011.98
  4. Step 4: Simplify right side
    946,006,109.10x = 1,180,191,686,692,630,784
  5. Step 5: Solve for x
    x = 1,180,191,686,692,630,784/946,006,109.10
  6. Step 6: Final answer
    x = 1,247,551,866.04

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.