Home / 1,246,119,436.80-1,869,356,102.40-384,386,572.80

Finding the Fourth Proportional to 1,246,119,436.80, 1,869,356,102.40 and 384,386,572.80

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Solution

The fourth proportional to 1,246,119,436.80, 1,869,356,102.40 and 384,386,572.80 is: 576,634,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,119,436.80 : 1,869,356,102.40 = 384,386,572.80 : x
  2. Step 2: Convert to fraction form
    1,246,119,436.80/1,869,356,102.40 = 384,386,572.80/x
  3. Step 3: Cross multiply
    1,246,119,436.80x = 1,869,356,102.40 × 384,386,572.80
  4. Step 4: Simplify right side
    1,246,119,436.80x = 718,555,385,544,301,952
  5. Step 5: Solve for x
    x = 718,555,385,544,301,952/1,246,119,436.80
  6. Step 6: Final answer
    x = 576,634,441.55

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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.