Home / 28,212,915,043,426-38,935,029,467,334-15,712,643,079,492

Finding the Fourth Proportional to 28,212,915,043,426, 38,935,029,467,334 and 15,712,643,079,492

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Solution

The fourth proportional to 28,212,915,043,426, 38,935,029,467,334 and 15,712,643,079,492 is: 21,684,119,502,294.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,212,915,043,426 : 38,935,029,467,334 = 15,712,643,079,492 : x
  2. Step 2: Convert to fraction form
    28,212,915,043,426/38,935,029,467,334 = 15,712,643,079,492/x
  3. Step 3: Cross multiply
    28,212,915,043,426x = 38,935,029,467,334 × 15,712,643,079,492
  4. Step 4: Simplify right side
    28,212,915,043,426x = 611,772,221,309,722,658,271,657,984
  5. Step 5: Solve for x
    x = 611,772,221,309,722,658,271,657,984/28,212,915,043,426
  6. Step 6: Final answer
    x = 21,684,119,502,294.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.