Home / 931,176,240.98-1,285,054,234.44-507,813,001.52

Finding the Fourth Proportional to 931,176,240.98, 1,285,054,234.44 and 507,813,001.52

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Solution

The fourth proportional to 931,176,240.98, 1,285,054,234.44 and 507,813,001.52 is: 700,798,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,176,240.98 : 1,285,054,234.44 = 507,813,001.52 : x
  2. Step 2: Convert to fraction form
    931,176,240.98/1,285,054,234.44 = 507,813,001.52/x
  3. Step 3: Cross multiply
    931,176,240.98x = 1,285,054,234.44 × 507,813,001.52
  4. Step 4: Simplify right side
    931,176,240.98x = 652,567,247,906,962,176
  5. Step 5: Solve for x
    x = 652,567,247,906,962,176/931,176,240.98
  6. Step 6: Final answer
    x = 700,798,859.75

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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.