Home / 1,282,298,840.30-1,923,448,260.45-874,152,152.30

Finding the Fourth Proportional to 1,282,298,840.30, 1,923,448,260.45 and 874,152,152.30

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Solution

The fourth proportional to 1,282,298,840.30, 1,923,448,260.45 and 874,152,152.30 is: 1,311,228,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,298,840.30 : 1,923,448,260.45 = 874,152,152.30 : x
  2. Step 2: Convert to fraction form
    1,282,298,840.30/1,923,448,260.45 = 874,152,152.30/x
  3. Step 3: Cross multiply
    1,282,298,840.30x = 1,923,448,260.45 × 874,152,152.30
  4. Step 4: Simplify right side
    1,282,298,840.30x = 1,681,386,436,710,058,496
  5. Step 5: Solve for x
    x = 1,681,386,436,710,058,496/1,282,298,840.30
  6. Step 6: Final answer
    x = 1,311,228,228.45

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Double scale
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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.