Home / 831,670,556.98-1,147,714,438.54-460,398,788.50

Finding the Fourth Proportional to 831,670,556.98, 1,147,714,438.54 and 460,398,788.50

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Solution

The fourth proportional to 831,670,556.98, 1,147,714,438.54 and 460,398,788.50 is: 635,355,349.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,670,556.98 : 1,147,714,438.54 = 460,398,788.50 : x
  2. Step 2: Convert to fraction form
    831,670,556.98/1,147,714,438.54 = 460,398,788.50/x
  3. Step 3: Cross multiply
    831,670,556.98x = 1,147,714,438.54 × 460,398,788.50
  4. Step 4: Simplify right side
    831,670,556.98x = 528,406,337,047,773,696
  5. Step 5: Solve for x
    x = 528,406,337,047,773,696/831,670,556.98
  6. Step 6: Final answer
    x = 635,355,349.08

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1.5x scale

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.