Home / 389,142,742,217.64-583,802,130,453.68-210,064,885,287

Finding the Fourth Proportional to 389,142,742,217.64, 583,802,130,453.68 and 210,064,885,287

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Solution

The fourth proportional to 389,142,742,217.64, 583,802,130,453.68 and 210,064,885,287 is: 315,144,840,849.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,142,742,217.64 : 583,802,130,453.68 = 210,064,885,287 : x
  2. Step 2: Convert to fraction form
    389,142,742,217.64/583,802,130,453.68 = 210,064,885,287/x
  3. Step 3: Cross multiply
    389,142,742,217.64x = 583,802,130,453.68 × 210,064,885,287
  4. Step 4: Simplify right side
    389,142,742,217.64x = 122,636,327,564,058,503,938,048
  5. Step 5: Solve for x
    x = 122,636,327,564,058,503,938,048/389,142,742,217.64
  6. Step 6: Final answer
    x = 315,144,840,849.87

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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.