Home / 554,708,610.78-765,483,231.51-316,549,526.64

Finding the Fourth Proportional to 554,708,610.78, 765,483,231.51 and 316,549,526.64

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Solution

The fourth proportional to 554,708,610.78, 765,483,231.51 and 316,549,526.64 is: 436,829,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,708,610.78 : 765,483,231.51 = 316,549,526.64 : x
  2. Step 2: Convert to fraction form
    554,708,610.78/765,483,231.51 = 316,549,526.64/x
  3. Step 3: Cross multiply
    554,708,610.78x = 765,483,231.51 × 316,549,526.64
  4. Step 4: Simplify right side
    554,708,610.78x = 242,313,354,585,348,032
  5. Step 5: Solve for x
    x = 242,313,354,585,348,032/554,708,610.78
  6. Step 6: Final answer
    x = 436,829,985.83

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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.