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Finding the Fourth Proportional to 19,315,661,618.35, 28,973,492,427.53 and 19,315,661,618.35

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Solution

The fourth proportional to 19,315,661,618.35, 28,973,492,427.53 and 19,315,661,618.35 is: 28,973,492,427.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,661,618.35 : 28,973,492,427.53 = 19,315,661,618.35 : x
  2. Step 2: Convert to fraction form
    19,315,661,618.35/28,973,492,427.53 = 19,315,661,618.35/x
  3. Step 3: Cross multiply
    19,315,661,618.35x = 28,973,492,427.53 × 19,315,661,618.35
  4. Step 4: Simplify right side
    19,315,661,618.35x = 559,642,175,631,995,502,592
  5. Step 5: Solve for x
    x = 559,642,175,631,995,502,592/19,315,661,618.35
  6. Step 6: Final answer
    x = 28,973,492,427.53

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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.