Home / 15,537,851,005.04-21,441,354,006.09-8,763,264,674.36

Finding the Fourth Proportional to 15,537,851,005.04, 21,441,354,006.09 and 8,763,264,674.36

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Solution

The fourth proportional to 15,537,851,005.04, 21,441,354,006.09 and 8,763,264,674.36 is: 12,092,808,720.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537,851,005.04 : 21,441,354,006.09 = 8,763,264,674.36 : x
  2. Step 2: Convert to fraction form
    15,537,851,005.04/21,441,354,006.09 = 8,763,264,674.36/x
  3. Step 3: Cross multiply
    15,537,851,005.04x = 21,441,354,006.09 × 8,763,264,674.36
  4. Step 4: Simplify right side
    15,537,851,005.04x = 187,896,260,131,908,550,656
  5. Step 5: Solve for x
    x = 187,896,260,131,908,550,656/15,537,851,005.04
  6. Step 6: Final answer
    x = 12,092,808,720.53

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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.