Home / 869,227,551.80-1,303,841,327.70-524,003,478.20

Finding the Fourth Proportional to 869,227,551.80, 1,303,841,327.70 and 524,003,478.20

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Solution

The fourth proportional to 869,227,551.80, 1,303,841,327.70 and 524,003,478.20 is: 786,005,217.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,227,551.80 : 1,303,841,327.70 = 524,003,478.20 : x
  2. Step 2: Convert to fraction form
    869,227,551.80/1,303,841,327.70 = 524,003,478.20/x
  3. Step 3: Cross multiply
    869,227,551.80x = 1,303,841,327.70 × 524,003,478.20
  4. Step 4: Simplify right side
    869,227,551.80x = 683,217,390,735,705,984
  5. Step 5: Solve for x
    x = 683,217,390,735,705,984/869,227,551.80
  6. Step 6: Final answer
    x = 786,005,217.30

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Double scale
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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.