Home / 28,168,064,425.14-38,872,861,136.88-15,481,249,781.46

Finding the Fourth Proportional to 28,168,064,425.14, 38,872,861,136.88 and 15,481,249,781.46

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Solution

The fourth proportional to 28,168,064,425.14, 38,872,861,136.88 and 15,481,249,781.46 is: 21,364,637,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168,064,425.14 : 38,872,861,136.88 = 15,481,249,781.46 : x
  2. Step 2: Convert to fraction form
    28,168,064,425.14/38,872,861,136.88 = 15,481,249,781.46/x
  3. Step 3: Cross multiply
    28,168,064,425.14x = 38,872,861,136.88 × 15,481,249,781.46
  4. Step 4: Simplify right side
    28,168,064,425.14x = 601,800,472,980,048,314,368
  5. Step 5: Solve for x
    x = 601,800,472,980,048,314,368/28,168,064,425.14
  6. Step 6: Final answer
    x = 21,364,637,054.83

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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.