Home / 30,628,166,098.04-42,266,909,931.81-16,894,649,563.11

Finding the Fourth Proportional to 30,628,166,098.04, 42,266,909,931.81 and 16,894,649,563.11

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Solution

The fourth proportional to 30,628,166,098.04, 42,266,909,931.81 and 16,894,649,563.11 is: 23,314,638,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628,166,098.04 : 42,266,909,931.81 = 16,894,649,563.11 : x
  2. Step 2: Convert to fraction form
    30,628,166,098.04/42,266,909,931.81 = 16,894,649,563.11/x
  3. Step 3: Cross multiply
    30,628,166,098.04x = 42,266,909,931.81 × 16,894,649,563.11
  4. Step 4: Simplify right side
    30,628,166,098.04x = 714,084,631,413,505,785,856
  5. Step 5: Solve for x
    x = 714,084,631,413,505,785,856/30,628,166,098.04
  6. Step 6: Final answer
    x = 23,314,638,856.53

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Double scale
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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.