Home / 312,185,417,555.25-468,187,281,204.45-120,914,794,681.79

Finding the Fourth Proportional to 312,185,417,555.25, 468,187,281,204.45 and 120,914,794,681.79

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Solution

The fourth proportional to 312,185,417,555.25, 468,187,281,204.45 and 120,914,794,681.79 is: 181,337,006,138.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,185,417,555.25 : 468,187,281,204.45 = 120,914,794,681.79 : x
  2. Step 2: Convert to fraction form
    312,185,417,555.25/468,187,281,204.45 = 120,914,794,681.79/x
  3. Step 3: Cross multiply
    312,185,417,555.25x = 468,187,281,204.45 × 120,914,794,681.79
  4. Step 4: Simplify right side
    312,185,417,555.25x = 56,610,768,979,461,549,326,336
  5. Step 5: Solve for x
    x = 56,610,768,979,461,549,326,336/312,185,417,555.25
  6. Step 6: Final answer
    x = 181,337,006,138.16

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1.5x scale

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.