Home / 710,045,999.10-1,065,068,998.65-400,109,607.90

Finding the Fourth Proportional to 710,045,999.10, 1,065,068,998.65 and 400,109,607.90

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Solution

The fourth proportional to 710,045,999.10, 1,065,068,998.65 and 400,109,607.90 is: 600,164,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,045,999.10 : 1,065,068,998.65 = 400,109,607.90 : x
  2. Step 2: Convert to fraction form
    710,045,999.10/1,065,068,998.65 = 400,109,607.90/x
  3. Step 3: Cross multiply
    710,045,999.10x = 1,065,068,998.65 × 400,109,607.90
  4. Step 4: Simplify right side
    710,045,999.10x = 426,144,339,436,297,088
  5. Step 5: Solve for x
    x = 426,144,339,436,297,088/710,045,999.10
  6. Step 6: Final answer
    x = 600,164,411.85

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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.