Home / 260,295,494.49-390,184,590.71-130,506,973.47

Finding the Fourth Proportional to 260,295,494.49, 390,184,590.71 and 130,506,973.47

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Solution

The fourth proportional to 260,295,494.49, 390,184,590.71 and 130,506,973.47 is: 195,630,777.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,295,494.49 : 390,184,590.71 = 130,506,973.47 : x
  2. Step 2: Convert to fraction form
    260,295,494.49/390,184,590.71 = 130,506,973.47/x
  3. Step 3: Cross multiply
    260,295,494.49x = 390,184,590.71 × 130,506,973.47
  4. Step 4: Simplify right side
    260,295,494.49x = 50,921,810,028,519,040
  5. Step 5: Solve for x
    x = 50,921,810,028,519,040/260,295,494.49
  6. Step 6: Final answer
    x = 195,630,777.74

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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.