Home / 30,801,778,447,412-42,507,473,651,136-16,928,746,634,547

Finding the Fourth Proportional to 30,801,778,447,412, 42,507,473,651,136 and 16,928,746,634,547

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Solution

The fourth proportional to 30,801,778,447,412, 42,507,473,651,136 and 16,928,746,634,547 is: 23,362,230,617,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801,778,447,412 : 42,507,473,651,136 = 16,928,746,634,547 : x
  2. Step 2: Convert to fraction form
    30,801,778,447,412/42,507,473,651,136 = 16,928,746,634,547/x
  3. Step 3: Cross multiply
    30,801,778,447,412x = 42,507,473,651,136 × 16,928,746,634,547
  4. Step 4: Simplify right side
    30,801,778,447,412x = 719,598,251,514,763,846,271,107,072
  5. Step 5: Solve for x
    x = 719,598,251,514,763,846,271,107,072/30,801,778,447,412
  6. Step 6: Final answer
    x = 23,362,230,617,408.56

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Double scale
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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.