Home / 653,202,013.80-979,803,020.70-377,702,999.40

Finding the Fourth Proportional to 653,202,013.80, 979,803,020.70 and 377,702,999.40

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Solution

The fourth proportional to 653,202,013.80, 979,803,020.70 and 377,702,999.40 is: 566,554,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,202,013.80 : 979,803,020.70 = 377,702,999.40 : x
  2. Step 2: Convert to fraction form
    653,202,013.80/979,803,020.70 = 377,702,999.40/x
  3. Step 3: Cross multiply
    653,202,013.80x = 979,803,020.70 × 377,702,999.40
  4. Step 4: Simplify right side
    653,202,013.80x = 370,074,539,739,570,304
  5. Step 5: Solve for x
    x = 370,074,539,739,570,304/653,202,013.80
  6. Step 6: Final answer
    x = 566,554,499.10

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1.5x scale

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.