Home / 27,382,634,987.84-37,788,007,624-15,339,730,567.60

Finding the Fourth Proportional to 27,382,634,987.84, 37,788,007,624 and 15,339,730,567.60

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Solution

The fourth proportional to 27,382,634,987.84, 37,788,007,624 and 15,339,730,567.60 is: 21,168,812,128.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382,634,987.84 : 37,788,007,624 = 15,339,730,567.60 : x
  2. Step 2: Convert to fraction form
    27,382,634,987.84/37,788,007,624 = 15,339,730,567.60/x
  3. Step 3: Cross multiply
    27,382,634,987.84x = 37,788,007,624 × 15,339,730,567.60
  4. Step 4: Simplify right side
    27,382,634,987.84x = 579,657,855,638,574,661,632
  5. Step 5: Solve for x
    x = 579,657,855,638,574,661,632/27,382,634,987.84
  6. Step 6: Final answer
    x = 21,168,812,128.42

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Double scale
Find fourth proportional to 27,382,634,988.84, 37,788,007,625.38 and 15,339,730,568.60
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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.