Home / 389,143,434,424.80-583,803,170,240.50-210,065,577,724.02

Finding the Fourth Proportional to 389,143,434,424.80, 583,803,170,240.50 and 210,065,577,724.02

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Solution

The fourth proportional to 389,143,434,424.80, 583,803,170,240.50 and 210,065,577,724.02 is: 315,145,880,374.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,143,434,424.80 : 583,803,170,240.50 = 210,065,577,724.02 : x
  2. Step 2: Convert to fraction form
    389,143,434,424.80/583,803,170,240.50 = 210,065,577,724.02/x
  3. Step 3: Cross multiply
    389,143,434,424.80x = 583,803,170,240.50 × 210,065,577,724.02
  4. Step 4: Simplify right side
    389,143,434,424.80x = 122,636,950,233,685,021,425,664
  5. Step 5: Solve for x
    x = 122,636,950,233,685,021,425,664/389,143,434,424.80
  6. Step 6: Final answer
    x = 315,145,880,374.31

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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.