Home / 693,092,980.35-1,039,630,389.39-168,460,558.20

Finding the Fourth Proportional to 693,092,980.35, 1,039,630,389.39 and 168,460,558.20

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Solution

The fourth proportional to 693,092,980.35, 1,039,630,389.39 and 168,460,558.20 is: 252,688,630.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,092,980.35 : 1,039,630,389.39 = 168,460,558.20 : x
  2. Step 2: Convert to fraction form
    693,092,980.35/1,039,630,389.39 = 168,460,558.20/x
  3. Step 3: Cross multiply
    693,092,980.35x = 1,039,630,389.39 × 168,460,558.20
  4. Step 4: Simplify right side
    693,092,980.35x = 175,136,715,718,322,752
  5. Step 5: Solve for x
    x = 175,136,715,718,322,752/693,092,980.35
  6. Step 6: Final answer
    x = 252,688,630.07

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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.