Home / 973,125,333.12-1,342,843,242.51-571,255,399.28

Finding the Fourth Proportional to 973,125,333.12, 1,342,843,242.51 and 571,255,399.28

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Solution

The fourth proportional to 973,125,333.12, 1,342,843,242.51 and 571,255,399.28 is: 788,291,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,125,333.12 : 1,342,843,242.51 = 571,255,399.28 : x
  2. Step 2: Convert to fraction form
    973,125,333.12/1,342,843,242.51 = 571,255,399.28/x
  3. Step 3: Cross multiply
    973,125,333.12x = 1,342,843,242.51 × 571,255,399.28
  4. Step 4: Simplify right side
    973,125,333.12x = 767,106,452,673,857,024
  5. Step 5: Solve for x
    x = 767,106,452,673,857,024/973,125,333.12
  6. Step 6: Final answer
    x = 788,291,524.81

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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.