Home / 478,284,334.70-717,426,502.05-260,039,230.70

Finding the Fourth Proportional to 478,284,334.70, 717,426,502.05 and 260,039,230.70

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Solution

The fourth proportional to 478,284,334.70, 717,426,502.05 and 260,039,230.70 is: 390,058,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,284,334.70 : 717,426,502.05 = 260,039,230.70 : x
  2. Step 2: Convert to fraction form
    478,284,334.70/717,426,502.05 = 260,039,230.70/x
  3. Step 3: Cross multiply
    478,284,334.70x = 717,426,502.05 × 260,039,230.70
  4. Step 4: Simplify right side
    478,284,334.70x = 186,559,035,676,873,952
  5. Step 5: Solve for x
    x = 186,559,035,676,873,952/478,284,334.70
  6. Step 6: Final answer
    x = 390,058,846.05

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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.