Home / 776,143,301.70-1,164,214,952.55-623,088,293.70

Finding the Fourth Proportional to 776,143,301.70, 1,164,214,952.55 and 623,088,293.70

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Solution

The fourth proportional to 776,143,301.70, 1,164,214,952.55 and 623,088,293.70 is: 934,632,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,143,301.70 : 1,164,214,952.55 = 623,088,293.70 : x
  2. Step 2: Convert to fraction form
    776,143,301.70/1,164,214,952.55 = 623,088,293.70/x
  3. Step 3: Cross multiply
    776,143,301.70x = 1,164,214,952.55 × 623,088,293.70
  4. Step 4: Simplify right side
    776,143,301.70x = 725,408,708,284,406,016
  5. Step 5: Solve for x
    x = 725,408,708,284,406,016/776,143,301.70
  6. Step 6: Final answer
    x = 934,632,440.55

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Double scale
Find fourth proportional to 776,143,302.70, 1,164,214,954.05 and 623,088,294.70
Similar ratio
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1.5x scale

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.