Home / 1,212,708,646.19-1,819,208,188.31-372,241,300.44

Finding the Fourth Proportional to 1,212,708,646.19, 1,819,208,188.31 and 372,241,300.44

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Solution

The fourth proportional to 1,212,708,646.19, 1,819,208,188.31 and 372,241,300.44 is: 558,406,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,708,646.19 : 1,819,208,188.31 = 372,241,300.44 : x
  2. Step 2: Convert to fraction form
    1,212,708,646.19/1,819,208,188.31 = 372,241,300.44/x
  3. Step 3: Cross multiply
    1,212,708,646.19x = 1,819,208,188.31 × 372,241,300.44
  4. Step 4: Simplify right side
    1,212,708,646.19x = 677,184,421,779,842,176
  5. Step 5: Solve for x
    x = 677,184,421,779,842,176/1,212,708,646.19
  6. Step 6: Final answer
    x = 558,406,525.68

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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.