Home / 571,310,111.60-788,408,462.04-310,549,727.60

Finding the Fourth Proportional to 571,310,111.60, 788,408,462.04 and 310,549,727.60

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Solution

The fourth proportional to 571,310,111.60, 788,408,462.04 and 310,549,727.60 is: 428,558,900.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,310,111.60 : 788,408,462.04 = 310,549,727.60 : x
  2. Step 2: Convert to fraction form
    571,310,111.60/788,408,462.04 = 310,549,727.60/x
  3. Step 3: Cross multiply
    571,310,111.60x = 788,408,462.04 × 310,549,727.60
  4. Step 4: Simplify right side
    571,310,111.60x = 244,840,033,124,056,960
  5. Step 5: Solve for x
    x = 244,840,033,124,056,960/571,310,111.60
  6. Step 6: Final answer
    x = 428,558,900.24

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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.