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Finding the Fourth Proportional to 562,021,330.80, 843,031,996.20 and 357,696,044.40

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Solution

The fourth proportional to 562,021,330.80, 843,031,996.20 and 357,696,044.40 is: 536,544,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,021,330.80 : 843,031,996.20 = 357,696,044.40 : x
  2. Step 2: Convert to fraction form
    562,021,330.80/843,031,996.20 = 357,696,044.40/x
  3. Step 3: Cross multiply
    562,021,330.80x = 843,031,996.20 × 357,696,044.40
  4. Step 4: Simplify right side
    562,021,330.80x = 301,549,210,343,375,808
  5. Step 5: Solve for x
    x = 301,549,210,343,375,808/562,021,330.80
  6. Step 6: Final answer
    x = 536,544,066.60

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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.