Home / 1,294,021,320.40-1,941,031,980.60-926,689,301.20

Finding the Fourth Proportional to 1,294,021,320.40, 1,941,031,980.60 and 926,689,301.20

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Solution

The fourth proportional to 1,294,021,320.40, 1,941,031,980.60 and 926,689,301.20 is: 1,390,033,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,021,320.40 : 1,941,031,980.60 = 926,689,301.20 : x
  2. Step 2: Convert to fraction form
    1,294,021,320.40/1,941,031,980.60 = 926,689,301.20/x
  3. Step 3: Cross multiply
    1,294,021,320.40x = 1,941,031,980.60 × 926,689,301.20
  4. Step 4: Simplify right side
    1,294,021,320.40x = 1,798,733,569,709,065,984
  5. Step 5: Solve for x
    x = 1,798,733,569,709,065,984/1,294,021,320.40
  6. Step 6: Final answer
    x = 1,390,033,951.80

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Double scale
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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.