Home / 28,421,852,805.30-39,226,261,492.53-16,376,557,500.66

Finding the Fourth Proportional to 28,421,852,805.30, 39,226,261,492.53 and 16,376,557,500.66

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Solution

The fourth proportional to 28,421,852,805.30, 39,226,261,492.53 and 16,376,557,500.66 is: 22,602,014,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,421,852,805.30 : 39,226,261,492.53 = 16,376,557,500.66 : x
  2. Step 2: Convert to fraction form
    28,421,852,805.30/39,226,261,492.53 = 16,376,557,500.66/x
  3. Step 3: Cross multiply
    28,421,852,805.30x = 39,226,261,492.53 × 16,376,557,500.66
  4. Step 4: Simplify right side
    28,421,852,805.30x = 642,391,126,868,342,734,848
  5. Step 5: Solve for x
    x = 642,391,126,868,342,734,848/28,421,852,805.30
  6. Step 6: Final answer
    x = 22,602,014,417.18

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1.5x scale

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.