Home / 578,104,973.40-866,870,525.70-209,625,216.60

Finding the Fourth Proportional to 578,104,973.40, 866,870,525.70 and 209,625,216.60

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Solution

The fourth proportional to 578,104,973.40, 866,870,525.70 and 209,625,216.60 is: 314,333,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,104,973.40 : 866,870,525.70 = 209,625,216.60 : x
  2. Step 2: Convert to fraction form
    578,104,973.40/866,870,525.70 = 209,625,216.60/x
  3. Step 3: Cross multiply
    578,104,973.40x = 866,870,525.70 × 209,625,216.60
  4. Step 4: Simplify right side
    578,104,973.40x = 181,717,921,714,018,368
  5. Step 5: Solve for x
    x = 181,717,921,714,018,368/578,104,973.40
  6. Step 6: Final answer
    x = 314,333,780.33

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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.