Home / 28,157,082,899.32-38,860,105,547.99-16,725,696,916.17

Finding the Fourth Proportional to 28,157,082,899.32, 38,860,105,547.99 and 16,725,696,916.17

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Solution

The fourth proportional to 28,157,082,899.32, 38,860,105,547.99 and 16,725,696,916.17 is: 23,083,440,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,157,082,899.32 : 38,860,105,547.99 = 16,725,696,916.17 : x
  2. Step 2: Convert to fraction form
    28,157,082,899.32/38,860,105,547.99 = 16,725,696,916.17/x
  3. Step 3: Cross multiply
    28,157,082,899.32x = 38,860,105,547.99 × 16,725,696,916.17
  4. Step 4: Simplify right side
    28,157,082,899.32x = 649,962,347,525,990,121,472
  5. Step 5: Solve for x
    x = 649,962,347,525,990,121,472/28,157,082,899.32
  6. Step 6: Final answer
    x = 23,083,440,491.69

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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.