Home / 1,127,728,794.72-1,556,242,286.76-625,908,140.04

Finding the Fourth Proportional to 1,127,728,794.72, 1,556,242,286.76 and 625,908,140.04

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Solution

The fourth proportional to 1,127,728,794.72, 1,556,242,286.76 and 625,908,140.04 is: 863,740,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,728,794.72 : 1,556,242,286.76 = 625,908,140.04 : x
  2. Step 2: Convert to fraction form
    1,127,728,794.72/1,556,242,286.76 = 625,908,140.04/x
  3. Step 3: Cross multiply
    1,127,728,794.72x = 1,556,242,286.76 × 625,908,140.04
  4. Step 4: Simplify right side
    1,127,728,794.72x = 974,064,715,157,547,904
  5. Step 5: Solve for x
    x = 974,064,715,157,547,904/1,127,728,794.72
  6. Step 6: Final answer
    x = 863,740,218.14

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Double scale
Find fourth proportional to 1,127,728,795.72, 1,556,242,288.14 and 625,908,141.04
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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.