Home / 830,716,954.89-1,146,742,382.61-517,605,870.75

Finding the Fourth Proportional to 830,716,954.89, 1,146,742,382.61 and 517,605,870.75

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Solution

The fourth proportional to 830,716,954.89, 1,146,742,382.61 and 517,605,870.75 is: 714,516,040.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,716,954.89 : 1,146,742,382.61 = 517,605,870.75 : x
  2. Step 2: Convert to fraction form
    830,716,954.89/1,146,742,382.61 = 517,605,870.75/x
  3. Step 3: Cross multiply
    830,716,954.89x = 1,146,742,382.61 × 517,605,870.75
  4. Step 4: Simplify right side
    830,716,954.89x = 593,560,589,476,778,624
  5. Step 5: Solve for x
    x = 593,560,589,476,778,624/830,716,954.89
  6. Step 6: Final answer
    x = 714,516,040.61

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Double scale
Find fourth proportional to 830,716,955.89, 1,146,742,383.99 and 517,605,871.75
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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.