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Finding the Fourth Proportional to 562,605,792.60, 843,908,688.90 and 153,661,943.10

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Solution

The fourth proportional to 562,605,792.60, 843,908,688.90 and 153,661,943.10 is: 230,492,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,605,792.60 : 843,908,688.90 = 153,661,943.10 : x
  2. Step 2: Convert to fraction form
    562,605,792.60/843,908,688.90 = 153,661,943.10/x
  3. Step 3: Cross multiply
    562,605,792.60x = 843,908,688.90 × 153,661,943.10
  4. Step 4: Simplify right side
    562,605,792.60x = 129,676,648,935,347,392
  5. Step 5: Solve for x
    x = 129,676,648,935,347,392/562,605,792.60
  6. Step 6: Final answer
    x = 230,492,914.65

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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.