Home / 830,716,953.39-1,146,742,380.54-517,605,869.25

Finding the Fourth Proportional to 830,716,953.39, 1,146,742,380.54 and 517,605,869.25

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Solution

The fourth proportional to 830,716,953.39, 1,146,742,380.54 and 517,605,869.25 is: 714,516,038.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,716,953.39 : 1,146,742,380.54 = 517,605,869.25 : x
  2. Step 2: Convert to fraction form
    830,716,953.39/1,146,742,380.54 = 517,605,869.25/x
  3. Step 3: Cross multiply
    830,716,953.39x = 1,146,742,380.54 × 517,605,869.25
  4. Step 4: Simplify right side
    830,716,953.39x = 593,560,586,685,220,992
  5. Step 5: Solve for x
    x = 593,560,586,685,220,992/830,716,953.39
  6. Step 6: Final answer
    x = 714,516,038.54

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Double scale
Find fourth proportional to 830,716,954.39, 1,146,742,381.92 and 517,605,870.25
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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.