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Finding the Fourth Proportional to 693,450,598.98, 956,963,105.55 and 375,909,862.98

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Solution

The fourth proportional to 693,450,598.98, 956,963,105.55 and 375,909,862.98 is: 518,756,304.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,450,598.98 : 956,963,105.55 = 375,909,862.98 : x
  2. Step 2: Convert to fraction form
    693,450,598.98/956,963,105.55 = 375,909,862.98/x
  3. Step 3: Cross multiply
    693,450,598.98x = 956,963,105.55 × 375,909,862.98
  4. Step 4: Simplify right side
    693,450,598.98x = 359,731,869,884,215,808
  5. Step 5: Solve for x
    x = 359,731,869,884,215,808/693,450,598.98
  6. Step 6: Final answer
    x = 518,756,304.22

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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.