Home / 28,627,718,181.90-42,927,210,429.72-16,679,831,726.28

Finding the Fourth Proportional to 28,627,718,181.90, 42,927,210,429.72 and 16,679,831,726.28

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Solution

The fourth proportional to 28,627,718,181.90, 42,927,210,429.72 and 16,679,831,726.28 is: 25,011,376,802.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,627,718,181.90 : 42,927,210,429.72 = 16,679,831,726.28 : x
  2. Step 2: Convert to fraction form
    28,627,718,181.90/42,927,210,429.72 = 16,679,831,726.28/x
  3. Step 3: Cross multiply
    28,627,718,181.90x = 42,927,210,429.72 × 16,679,831,726.28
  4. Step 4: Simplify right side
    28,627,718,181.90x = 716,018,646,446,341,357,568
  5. Step 5: Solve for x
    x = 716,018,646,446,341,357,568/28,627,718,181.90
  6. Step 6: Final answer
    x = 25,011,376,802.61

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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.