Home / 1,294,021,311.40-1,941,031,967.10-926,689,292.20

Finding the Fourth Proportional to 1,294,021,311.40, 1,941,031,967.10 and 926,689,292.20

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Solution

The fourth proportional to 1,294,021,311.40, 1,941,031,967.10 and 926,689,292.20 is: 1,390,033,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,021,311.40 : 1,941,031,967.10 = 926,689,292.20 : x
  2. Step 2: Convert to fraction form
    1,294,021,311.40/1,941,031,967.10 = 926,689,292.20/x
  3. Step 3: Cross multiply
    1,294,021,311.40x = 1,941,031,967.10 × 926,689,292.20
  4. Step 4: Simplify right side
    1,294,021,311.40x = 1,798,733,539,729,472,768
  5. Step 5: Solve for x
    x = 1,798,733,539,729,472,768/1,294,021,311.40
  6. Step 6: Final answer
    x = 1,390,033,938.30

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Half scale
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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.