Home / 13,269,813,348.48-18,312,218,623.80-7,248,316,449.12

Finding the Fourth Proportional to 13,269,813,348.48, 18,312,218,623.80 and 7,248,316,449.12

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Solution

The fourth proportional to 13,269,813,348.48, 18,312,218,623.80 and 7,248,316,449.12 is: 10,002,609,078.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269,813,348.48 : 18,312,218,623.80 = 7,248,316,449.12 : x
  2. Step 2: Convert to fraction form
    13,269,813,348.48/18,312,218,623.80 = 7,248,316,449.12/x
  3. Step 3: Cross multiply
    13,269,813,348.48x = 18,312,218,623.80 × 7,248,316,449.12
  4. Step 4: Simplify right side
    13,269,813,348.48x = 132,732,755,470,771,142,656
  5. Step 5: Solve for x
    x = 132,732,755,470,771,142,656/13,269,813,348.48
  6. Step 6: Final answer
    x = 10,002,609,078.60

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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.