Home / 389,142,742,137.85-583,802,130,334.01-210,064,885,207.18

Finding the Fourth Proportional to 389,142,742,137.85, 583,802,130,334.01 and 210,064,885,207.18

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Solution

The fourth proportional to 389,142,742,137.85, 583,802,130,334.01 and 210,064,885,207.18 is: 315,144,840,730.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,142,742,137.85 : 583,802,130,334.01 = 210,064,885,207.18 : x
  2. Step 2: Convert to fraction form
    389,142,742,137.85/583,802,130,334.01 = 210,064,885,207.18/x
  3. Step 3: Cross multiply
    389,142,742,137.85x = 583,802,130,334.01 × 210,064,885,207.18
  4. Step 4: Simplify right side
    389,142,742,137.85x = 122,636,327,492,320,940,261,376
  5. Step 5: Solve for x
    x = 122,636,327,492,320,940,261,376/389,142,742,137.85
  6. Step 6: Final answer
    x = 315,144,840,730.14

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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.