Home / 770,744,030.40-1,155,780,122.40-310,529,246.40

Finding the Fourth Proportional to 770,744,030.40, 1,155,780,122.40 and 310,529,246.40

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Solution

The fourth proportional to 770,744,030.40, 1,155,780,122.40 and 310,529,246.40 is: 465,658,527.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,744,030.40 : 1,155,780,122.40 = 310,529,246.40 : x
  2. Step 2: Convert to fraction form
    770,744,030.40/1,155,780,122.40 = 310,529,246.40/x
  3. Step 3: Cross multiply
    770,744,030.40x = 1,155,780,122.40 × 310,529,246.40
  4. Step 4: Simplify right side
    770,744,030.40x = 358,903,530,412,971,776
  5. Step 5: Solve for x
    x = 358,903,530,412,971,776/770,744,030.40
  6. Step 6: Final answer
    x = 465,658,527.68

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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.