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Finding the Fourth Proportional to 890,957,895.60, 1,337,712,301.80 and 503,537,406.60

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Solution

The fourth proportional to 890,957,895.60, 1,337,712,301.80 and 503,537,406.60 is: 756,026,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,957,895.60 : 1,337,712,301.80 = 503,537,406.60 : x
  2. Step 2: Convert to fraction form
    890,957,895.60/1,337,712,301.80 = 503,537,406.60/x
  3. Step 3: Cross multiply
    890,957,895.60x = 1,337,712,301.80 × 503,537,406.60
  4. Step 4: Simplify right side
    890,957,895.60x = 673,588,183,225,288,576
  5. Step 5: Solve for x
    x = 673,588,183,225,288,576/890,957,895.60
  6. Step 6: Final answer
    x = 756,026,953.18

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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.