Home / 786,574,217.81-1,179,918,013.83-301,900,025.81

Finding the Fourth Proportional to 786,574,217.81, 1,179,918,013.83 and 301,900,025.81

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Solution

The fourth proportional to 786,574,217.81, 1,179,918,013.83 and 301,900,025.81 is: 452,871,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,574,217.81 : 1,179,918,013.83 = 301,900,025.81 : x
  2. Step 2: Convert to fraction form
    786,574,217.81/1,179,918,013.83 = 301,900,025.81/x
  3. Step 3: Cross multiply
    786,574,217.81x = 1,179,918,013.83 × 301,900,025.81
  4. Step 4: Simplify right side
    786,574,217.81x = 356,217,278,830,793,664
  5. Step 5: Solve for x
    x = 356,217,278,830,793,664/786,574,217.81
  6. Step 6: Final answer
    x = 452,871,796.16

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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.