Home / 550,130,389.70-759,175,692.09-302,606,312.90

Finding the Fourth Proportional to 550,130,389.70, 759,175,692.09 and 302,606,312.90

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Solution

The fourth proportional to 550,130,389.70, 759,175,692.09 and 302,606,312.90 is: 417,594,376.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,130,389.70 : 759,175,692.09 = 302,606,312.90 : x
  2. Step 2: Convert to fraction form
    550,130,389.70/759,175,692.09 = 302,606,312.90/x
  3. Step 3: Cross multiply
    550,130,389.70x = 759,175,692.09 × 302,606,312.90
  4. Step 4: Simplify right side
    550,130,389.70x = 229,731,357,026,660,576
  5. Step 5: Solve for x
    x = 229,731,357,026,660,576/550,130,389.70
  6. Step 6: Final answer
    x = 417,594,376.40

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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.