Home / 735,076,705.10-1,103,890,516.05-390,702,937.10

Finding the Fourth Proportional to 735,076,705.10, 1,103,890,516.05 and 390,702,937.10

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Solution

The fourth proportional to 735,076,705.10, 1,103,890,516.05 and 390,702,937.10 is: 586,732,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,076,705.10 : 1,103,890,516.05 = 390,702,937.10 : x
  2. Step 2: Convert to fraction form
    735,076,705.10/1,103,890,516.05 = 390,702,937.10/x
  3. Step 3: Cross multiply
    735,076,705.10x = 1,103,890,516.05 × 390,702,937.10
  4. Step 4: Simplify right side
    735,076,705.10x = 431,293,266,857,569,728
  5. Step 5: Solve for x
    x = 431,293,266,857,569,728/735,076,705.10
  6. Step 6: Final answer
    x = 586,732,328.57

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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.