Home / 572,130,701.45-789,492,039.99-346,153,879.34

Finding the Fourth Proportional to 572,130,701.45, 789,492,039.99 and 346,153,879.34

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Solution

The fourth proportional to 572,130,701.45, 789,492,039.99 and 346,153,879.34 is: 477,663,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,130,701.45 : 789,492,039.99 = 346,153,879.34 : x
  2. Step 2: Convert to fraction form
    572,130,701.45/789,492,039.99 = 346,153,879.34/x
  3. Step 3: Cross multiply
    572,130,701.45x = 789,492,039.99 × 346,153,879.34
  4. Step 4: Simplify right side
    572,130,701.45x = 273,285,732,346,641,440
  5. Step 5: Solve for x
    x = 273,285,732,346,641,440/572,130,701.45
  6. Step 6: Final answer
    x = 477,663,113.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.