Home / 1,498,103,140.40-2,247,154,710.60-407,586,208.40

Finding the Fourth Proportional to 1,498,103,140.40, 2,247,154,710.60 and 407,586,208.40

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Solution

The fourth proportional to 1,498,103,140.40, 2,247,154,710.60 and 407,586,208.40 is: 611,379,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,103,140.40 : 2,247,154,710.60 = 407,586,208.40 : x
  2. Step 2: Convert to fraction form
    1,498,103,140.40/2,247,154,710.60 = 407,586,208.40/x
  3. Step 3: Cross multiply
    1,498,103,140.40x = 2,247,154,710.60 × 407,586,208.40
  4. Step 4: Simplify right side
    1,498,103,140.40x = 915,909,268,181,653,248
  5. Step 5: Solve for x
    x = 915,909,268,181,653,248/1,498,103,140.40
  6. Step 6: Final answer
    x = 611,379,312.60

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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.