Home / 13,971,678,952.38-19,280,817,128.07-7,628,046,577.98

Finding the Fourth Proportional to 13,971,678,952.38, 19,280,817,128.07 and 7,628,046,577.98

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Solution

The fourth proportional to 13,971,678,952.38, 19,280,817,128.07 and 7,628,046,577.98 is: 10,526,649,776.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971,678,952.38 : 19,280,817,128.07 = 7,628,046,577.98 : x
  2. Step 2: Convert to fraction form
    13,971,678,952.38/19,280,817,128.07 = 7,628,046,577.98/x
  3. Step 3: Cross multiply
    13,971,678,952.38x = 19,280,817,128.07 × 7,628,046,577.98
  4. Step 4: Simplify right side
    13,971,678,952.38x = 147,074,971,114,432,528,384
  5. Step 5: Solve for x
    x = 147,074,971,114,432,528,384/13,971,678,952.38
  6. Step 6: Final answer
    x = 10,526,649,776.00

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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.