Home / 28,143,960,522.18-42,223,086,419.40-13,028,427,295.26

Finding the Fourth Proportional to 28,143,960,522.18, 42,223,086,419.40 and 13,028,427,295.26

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Solution

The fourth proportional to 28,143,960,522.18, 42,223,086,419.40 and 13,028,427,295.26 is: 19,545,948,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143,960,522.18 : 42,223,086,419.40 = 13,028,427,295.26 : x
  2. Step 2: Convert to fraction form
    28,143,960,522.18/42,223,086,419.40 = 13,028,427,295.26/x
  3. Step 3: Cross multiply
    28,143,960,522.18x = 42,223,086,419.40 × 13,028,427,295.26
  4. Step 4: Simplify right side
    28,143,960,522.18x = 550,100,411,596,632,817,664
  5. Step 5: Solve for x
    x = 550,100,411,596,632,817,664/28,143,960,522.18
  6. Step 6: Final answer
    x = 19,545,948,807.14

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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.