Home / 7,971,619,417.80-11,957,429,126.70-7,925,702,915.40

Finding the Fourth Proportional to 7,971,619,417.80, 11,957,429,126.70 and 7,925,702,915.40

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Solution

The fourth proportional to 7,971,619,417.80, 11,957,429,126.70 and 7,925,702,915.40 is: 11,888,554,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971,619,417.80 : 11,957,429,126.70 = 7,925,702,915.40 : x
  2. Step 2: Convert to fraction form
    7,971,619,417.80/11,957,429,126.70 = 7,925,702,915.40/x
  3. Step 3: Cross multiply
    7,971,619,417.80x = 11,957,429,126.70 × 7,925,702,915.40
  4. Step 4: Simplify right side
    7,971,619,417.80x = 94,771,030,890,175,070,208
  5. Step 5: Solve for x
    x = 94,771,030,890,175,070,208/7,971,619,417.80
  6. Step 6: Final answer
    x = 11,888,554,373.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.