Home / 1,105,285,958.87-1,525,315,853.93-603,514,637.39

Finding the Fourth Proportional to 1,105,285,958.87, 1,525,315,853.93 and 603,514,637.39

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Solution

The fourth proportional to 1,105,285,958.87, 1,525,315,853.93 and 603,514,637.39 is: 832,861,792.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,285,958.87 : 1,525,315,853.93 = 603,514,637.39 : x
  2. Step 2: Convert to fraction form
    1,105,285,958.87/1,525,315,853.93 = 603,514,637.39/x
  3. Step 3: Cross multiply
    1,105,285,958.87x = 1,525,315,853.93 × 603,514,637.39
  4. Step 4: Simplify right side
    1,105,285,958.87x = 920,550,444,490,577,920
  5. Step 5: Solve for x
    x = 920,550,444,490,577,920/1,105,285,958.87
  6. Step 6: Final answer
    x = 832,861,792.11

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1.5x scale

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.