Home / 13,269,813,346.48-18,312,218,621.04-7,248,316,447.12

Finding the Fourth Proportional to 13,269,813,346.48, 18,312,218,621.04 and 7,248,316,447.12

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Solution

The fourth proportional to 13,269,813,346.48, 18,312,218,621.04 and 7,248,316,447.12 is: 10,002,609,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,813,346.48 : 18,312,218,621.04 = 7,248,316,447.12 : x
  2. Step 2: Convert to fraction form
    13,269,813,346.48/18,312,218,621.04 = 7,248,316,447.12/x
  3. Step 3: Cross multiply
    13,269,813,346.48x = 18,312,218,621.04 × 7,248,316,447.12
  4. Step 4: Simplify right side
    13,269,813,346.48x = 132,732,755,414,141,370,368
  5. Step 5: Solve for x
    x = 132,732,755,414,141,370,368/13,269,813,346.48
  6. Step 6: Final answer
    x = 10,002,609,075.84

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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.