Home / 12,952,670,493.06-17,875,610,238.90-7,158,849,259.44

Finding the Fourth Proportional to 12,952,670,493.06, 17,875,610,238.90 and 7,158,849,259.44

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Solution

The fourth proportional to 12,952,670,493.06, 17,875,610,238.90 and 7,158,849,259.44 is: 9,879,723,196.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,670,493.06 : 17,875,610,238.90 = 7,158,849,259.44 : x
  2. Step 2: Convert to fraction form
    12,952,670,493.06/17,875,610,238.90 = 7,158,849,259.44/x
  3. Step 3: Cross multiply
    12,952,670,493.06x = 17,875,610,238.90 × 7,158,849,259.44
  4. Step 4: Simplify right side
    12,952,670,493.06x = 127,968,799,120,787,357,696
  5. Step 5: Solve for x
    x = 127,968,799,120,787,357,696/12,952,670,493.06
  6. Step 6: Final answer
    x = 9,879,723,196.03

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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.