Home / 646,282,075.32-969,559,304.76-209,548,704.24

Finding the Fourth Proportional to 646,282,075.32, 969,559,304.76 and 209,548,704.24

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Solution

The fourth proportional to 646,282,075.32, 969,559,304.76 and 209,548,704.24 is: 314,367,214.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,282,075.32 : 969,559,304.76 = 209,548,704.24 : x
  2. Step 2: Convert to fraction form
    646,282,075.32/969,559,304.76 = 209,548,704.24/x
  3. Step 3: Cross multiply
    646,282,075.32x = 969,559,304.76 × 209,548,704.24
  4. Step 4: Simplify right side
    646,282,075.32x = 203,169,895,996,293,280
  5. Step 5: Solve for x
    x = 203,169,895,996,293,280/646,282,075.32
  6. Step 6: Final answer
    x = 314,367,214.80

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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.