Home / 869,033,701.74-1,199,289,237.53-472,579,878.36

Finding the Fourth Proportional to 869,033,701.74, 1,199,289,237.53 and 472,579,878.36

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Solution

The fourth proportional to 869,033,701.74, 1,199,289,237.53 and 472,579,878.36 is: 652,172,592.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,033,701.74 : 1,199,289,237.53 = 472,579,878.36 : x
  2. Step 2: Convert to fraction form
    869,033,701.74/1,199,289,237.53 = 472,579,878.36/x
  3. Step 3: Cross multiply
    869,033,701.74x = 1,199,289,237.53 × 472,579,878.36
  4. Step 4: Simplify right side
    869,033,701.74x = 566,759,961,990,384,576
  5. Step 5: Solve for x
    x = 566,759,961,990,384,576/869,033,701.74
  6. Step 6: Final answer
    x = 652,172,592.22

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1.5x scale

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.