Home / 30,613,516,989.84-42,246,653,094.99-16,532,456,253.84

Finding the Fourth Proportional to 30,613,516,989.84, 42,246,653,094.99 and 16,532,456,253.84

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Solution

The fourth proportional to 30,613,516,989.84, 42,246,653,094.99 and 16,532,456,253.84 is: 22,814,789,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,613,516,989.84 : 42,246,653,094.99 = 16,532,456,253.84 : x
  2. Step 2: Convert to fraction form
    30,613,516,989.84/42,246,653,094.99 = 16,532,456,253.84/x
  3. Step 3: Cross multiply
    30,613,516,989.84x = 42,246,653,094.99 × 16,532,456,253.84
  4. Step 4: Simplify right side
    30,613,516,989.84x = 698,440,944,164,076,388,352
  5. Step 5: Solve for x
    x = 698,440,944,164,076,388,352/30,613,516,989.84
  6. Step 6: Final answer
    x = 22,814,789,440.75

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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.