Home / 570,175,536.48-786,842,247.06-309,415,152.48

Finding the Fourth Proportional to 570,175,536.48, 786,842,247.06 and 309,415,152.48

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Solution

The fourth proportional to 570,175,536.48, 786,842,247.06 and 309,415,152.48 is: 426,992,914.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,175,536.48 : 786,842,247.06 = 309,415,152.48 : x
  2. Step 2: Convert to fraction form
    570,175,536.48/786,842,247.06 = 309,415,152.48/x
  3. Step 3: Cross multiply
    570,175,536.48x = 786,842,247.06 × 309,415,152.48
  4. Step 4: Simplify right side
    570,175,536.48x = 243,460,913,851,775,744
  5. Step 5: Solve for x
    x = 243,460,913,851,775,744/570,175,536.48
  6. Step 6: Final answer
    x = 426,992,914.07

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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.