Home / 918,585,024.90-1,377,877,537.35-660,304,698.90

Finding the Fourth Proportional to 918,585,024.90, 1,377,877,537.35 and 660,304,698.90

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Solution

The fourth proportional to 918,585,024.90, 1,377,877,537.35 and 660,304,698.90 is: 990,457,048.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,585,024.90 : 1,377,877,537.35 = 660,304,698.90 : x
  2. Step 2: Convert to fraction form
    918,585,024.90/1,377,877,537.35 = 660,304,698.90/x
  3. Step 3: Cross multiply
    918,585,024.90x = 1,377,877,537.35 × 660,304,698.90
  4. Step 4: Simplify right side
    918,585,024.90x = 909,819,012,420,965,120
  5. Step 5: Solve for x
    x = 909,819,012,420,965,120/918,585,024.90
  6. Step 6: Final answer
    x = 990,457,048.35

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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.