Home / 209,443,064,929.12-289,032,312,299.88-117,992,713,045.60

Finding the Fourth Proportional to 209,443,064,929.12, 289,032,312,299.88 and 117,992,713,045.60

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Solution

The fourth proportional to 209,443,064,929.12, 289,032,312,299.88 and 117,992,713,045.60 is: 162,830,441,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,443,064,929.12 : 289,032,312,299.88 = 117,992,713,045.60 : x
  2. Step 2: Convert to fraction form
    209,443,064,929.12/289,032,312,299.88 = 117,992,713,045.60/x
  3. Step 3: Cross multiply
    209,443,064,929.12x = 289,032,312,299.88 × 117,992,713,045.60
  4. Step 4: Simplify right side
    209,443,064,929.12x = 34,103,706,686,105,986,269,184
  5. Step 5: Solve for x
    x = 34,103,706,686,105,986,269,184/209,443,064,929.12
  6. Step 6: Final answer
    x = 162,830,441,283.16

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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.