Home / 877,286,817,609.70-1,210,474,516,228.40-506,483,810,012.92

Finding the Fourth Proportional to 877,286,817,609.70, 1,210,474,516,228.40 and 506,483,810,012.92

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Solution

The fourth proportional to 877,286,817,609.70, 1,210,474,516,228.40 and 506,483,810,012.92 is: 698,842,992,504.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,286,817,609.70 : 1,210,474,516,228.40 = 506,483,810,012.92 : x
  2. Step 2: Convert to fraction form
    877,286,817,609.70/1,210,474,516,228.40 = 506,483,810,012.92/x
  3. Step 3: Cross multiply
    877,286,817,609.70x = 1,210,474,516,228.40 × 506,483,810,012.92
  4. Step 4: Simplify right side
    877,286,817,609.70x = 613,085,744,902,906,107,133,952
  5. Step 5: Solve for x
    x = 613,085,744,902,906,107,133,952/877,286,817,609.70
  6. Step 6: Final answer
    x = 698,842,992,504.27

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Double scale
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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.