Home / 12,907,602,445.68-17,813,403,578.16-7,192,266,269.40

Finding the Fourth Proportional to 12,907,602,445.68, 17,813,403,578.16 and 7,192,266,269.40

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Solution

The fourth proportional to 12,907,602,445.68, 17,813,403,578.16 and 7,192,266,269.40 is: 9,925,835,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,602,445.68 : 17,813,403,578.16 = 7,192,266,269.40 : x
  2. Step 2: Convert to fraction form
    12,907,602,445.68/17,813,403,578.16 = 7,192,266,269.40/x
  3. Step 3: Cross multiply
    12,907,602,445.68x = 17,813,403,578.16 × 7,192,266,269.40
  4. Step 4: Simplify right side
    12,907,602,445.68x = 128,118,741,698,416,558,080
  5. Step 5: Solve for x
    x = 128,118,741,698,416,558,080/12,907,602,445.68
  6. Step 6: Final answer
    x = 9,925,835,741.97

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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.