Home / 12,952,670,487.04-17,875,610,230.63-7,158,849,253.41

Finding the Fourth Proportional to 12,952,670,487.04, 17,875,610,230.63 and 7,158,849,253.41

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Solution

The fourth proportional to 12,952,670,487.04, 17,875,610,230.63 and 7,158,849,253.41 is: 9,879,723,187.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,952,670,487.04 : 17,875,610,230.63 = 7,158,849,253.41 : x
  2. Step 2: Convert to fraction form
    12,952,670,487.04/17,875,610,230.63 = 7,158,849,253.41/x
  3. Step 3: Cross multiply
    12,952,670,487.04x = 17,875,610,230.63 × 7,158,849,253.41
  4. Step 4: Simplify right side
    12,952,670,487.04x = 127,968,798,953,822,289,920
  5. Step 5: Solve for x
    x = 127,968,798,953,822,289,920/12,952,670,487.04
  6. Step 6: Final answer
    x = 9,879,723,187.73

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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.