Home / 463,520,371.80-695,280,557.70-456,354,010.20

Finding the Fourth Proportional to 463,520,371.80, 695,280,557.70 and 456,354,010.20

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Solution

The fourth proportional to 463,520,371.80, 695,280,557.70 and 456,354,010.20 is: 684,531,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,520,371.80 : 695,280,557.70 = 456,354,010.20 : x
  2. Step 2: Convert to fraction form
    463,520,371.80/695,280,557.70 = 456,354,010.20/x
  3. Step 3: Cross multiply
    463,520,371.80x = 695,280,557.70 × 456,354,010.20
  4. Step 4: Simplify right side
    463,520,371.80x = 317,294,070,720,487,488
  5. Step 5: Solve for x
    x = 317,294,070,720,487,488/463,520,371.80
  6. Step 6: Final answer
    x = 684,531,015.30

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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.