Home / 12,607,488,001.05-18,911,232,001.58-12,607,488,001.05

Finding the Fourth Proportional to 12,607,488,001.05, 18,911,232,001.58 and 12,607,488,001.05

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Solution

The fourth proportional to 12,607,488,001.05, 18,911,232,001.58 and 12,607,488,001.05 is: 18,911,232,001.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,607,488,001.05 : 18,911,232,001.58 = 12,607,488,001.05 : x
  2. Step 2: Convert to fraction form
    12,607,488,001.05/18,911,232,001.58 = 12,607,488,001.05/x
  3. Step 3: Cross multiply
    12,607,488,001.05x = 18,911,232,001.58 × 12,607,488,001.05
  4. Step 4: Simplify right side
    12,607,488,001.05x = 238,423,130,544,929,570,816
  5. Step 5: Solve for x
    x = 238,423,130,544,929,570,816/12,607,488,001.05
  6. Step 6: Final answer
    x = 18,911,232,001.58

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Double scale
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1.5x scale

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.