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Finding the Fourth Proportional to 669,952,705.89, 924,560,242.08 and 372,616,448.65

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Solution

The fourth proportional to 669,952,705.89, 924,560,242.08 and 372,616,448.65 is: 514,224,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,952,705.89 : 924,560,242.08 = 372,616,448.65 : x
  2. Step 2: Convert to fraction form
    669,952,705.89/924,560,242.08 = 372,616,448.65/x
  3. Step 3: Cross multiply
    669,952,705.89x = 924,560,242.08 × 372,616,448.65
  4. Step 4: Simplify right side
    669,952,705.89x = 344,506,353,968,321,152
  5. Step 5: Solve for x
    x = 344,506,353,968,321,152/669,952,705.89
  6. Step 6: Final answer
    x = 514,224,886.23

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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.