Home / 318,003,698,281.80-438,846,527,065.80-173,487,390,051.52

Finding the Fourth Proportional to 318,003,698,281.80, 438,846,527,065.80 and 173,487,390,051.52

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Solution

The fourth proportional to 318,003,698,281.80, 438,846,527,065.80 and 173,487,390,051.52 is: 239,413,374,829.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,003,698,281.80 : 438,846,527,065.80 = 173,487,390,051.52 : x
  2. Step 2: Convert to fraction form
    318,003,698,281.80/438,846,527,065.80 = 173,487,390,051.52/x
  3. Step 3: Cross multiply
    318,003,698,281.80x = 438,846,527,065.80 × 173,487,390,051.52
  4. Step 4: Simplify right side
    318,003,698,281.80x = 76,134,338,613,819,362,770,944
  5. Step 5: Solve for x
    x = 76,134,338,613,819,362,770,944/318,003,698,281.80
  6. Step 6: Final answer
    x = 239,413,374,829.22

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1.5x scale

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.