Home / 1,294,021,415.40-1,941,032,123.10-926,689,396.20

Finding the Fourth Proportional to 1,294,021,415.40, 1,941,032,123.10 and 926,689,396.20

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Solution

The fourth proportional to 1,294,021,415.40, 1,941,032,123.10 and 926,689,396.20 is: 1,390,034,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,021,415.40 : 1,941,032,123.10 = 926,689,396.20 : x
  2. Step 2: Convert to fraction form
    1,294,021,415.40/1,941,032,123.10 = 926,689,396.20/x
  3. Step 3: Cross multiply
    1,294,021,415.40x = 1,941,032,123.10 × 926,689,396.20
  4. Step 4: Simplify right side
    1,294,021,415.40x = 1,798,733,886,160,343,040
  5. Step 5: Solve for x
    x = 1,798,733,886,160,343,040/1,294,021,415.40
  6. Step 6: Final answer
    x = 1,390,034,094.30

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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.