Home / 1,705,409,370.42-2,558,358,078.87-525,089,717.90

Finding the Fourth Proportional to 1,705,409,370.42, 2,558,358,078.87 and 525,089,717.90

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Solution

The fourth proportional to 1,705,409,370.42, 2,558,358,078.87 and 525,089,717.90 is: 787,709,710.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,409,370.42 : 2,558,358,078.87 = 525,089,717.90 : x
  2. Step 2: Convert to fraction form
    1,705,409,370.42/2,558,358,078.87 = 525,089,717.90/x
  3. Step 3: Cross multiply
    1,705,409,370.42x = 2,558,358,078.87 × 525,089,717.90
  4. Step 4: Simplify right side
    1,705,409,370.42x = 1,343,367,521,908,242,432
  5. Step 5: Solve for x
    x = 1,343,367,521,908,242,432/1,705,409,370.42
  6. Step 6: Final answer
    x = 787,709,710.76

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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.