Home / 28,143,960,521.18-42,223,086,417.90-13,028,427,294.26

Finding the Fourth Proportional to 28,143,960,521.18, 42,223,086,417.90 and 13,028,427,294.26

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Solution

The fourth proportional to 28,143,960,521.18, 42,223,086,417.90 and 13,028,427,294.26 is: 19,545,948,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,143,960,521.18 : 42,223,086,417.90 = 13,028,427,294.26 : x
  2. Step 2: Convert to fraction form
    28,143,960,521.18/42,223,086,417.90 = 13,028,427,294.26/x
  3. Step 3: Cross multiply
    28,143,960,521.18x = 42,223,086,417.90 × 13,028,427,294.26
  4. Step 4: Simplify right side
    28,143,960,521.18x = 550,100,411,534,655,946,752
  5. Step 5: Solve for x
    x = 550,100,411,534,655,946,752/28,143,960,521.18
  6. Step 6: Final answer
    x = 19,545,948,805.63

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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.