Home / 757,804,045.40-1,136,706,068.10-512,916,032.60

Finding the Fourth Proportional to 757,804,045.40, 1,136,706,068.10 and 512,916,032.60

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Solution

The fourth proportional to 757,804,045.40, 1,136,706,068.10 and 512,916,032.60 is: 769,374,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,045.40 : 1,136,706,068.10 = 512,916,032.60 : x
  2. Step 2: Convert to fraction form
    757,804,045.40/1,136,706,068.10 = 512,916,032.60/x
  3. Step 3: Cross multiply
    757,804,045.40x = 1,136,706,068.10 × 512,916,032.60
  4. Step 4: Simplify right side
    757,804,045.40x = 583,034,766,682,197,376
  5. Step 5: Solve for x
    x = 583,034,766,682,197,376/757,804,045.40
  6. Step 6: Final answer
    x = 769,374,048.90

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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.