Home / 545,087,357.60-817,631,036.40-315,504,845.60

Finding the Fourth Proportional to 545,087,357.60, 817,631,036.40 and 315,504,845.60

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Solution

The fourth proportional to 545,087,357.60, 817,631,036.40 and 315,504,845.60 is: 473,257,268.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,087,357.60 : 817,631,036.40 = 315,504,845.60 : x
  2. Step 2: Convert to fraction form
    545,087,357.60/817,631,036.40 = 315,504,845.60/x
  3. Step 3: Cross multiply
    545,087,357.60x = 817,631,036.40 × 315,504,845.60
  4. Step 4: Simplify right side
    545,087,357.60x = 257,966,553,897,149,984
  5. Step 5: Solve for x
    x = 257,966,553,897,149,984/545,087,357.60
  6. Step 6: Final answer
    x = 473,257,268.40

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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.