Home / 12,385,528,205.40-18,578,292,308.10-12,385,528,205.40

Finding the Fourth Proportional to 12,385,528,205.40, 18,578,292,308.10 and 12,385,528,205.40

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Solution

The fourth proportional to 12,385,528,205.40, 18,578,292,308.10 and 12,385,528,205.40 is: 18,578,292,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385,528,205.40 : 18,578,292,308.10 = 12,385,528,205.40 : x
  2. Step 2: Convert to fraction form
    12,385,528,205.40/18,578,292,308.10 = 12,385,528,205.40/x
  3. Step 3: Cross multiply
    12,385,528,205.40x = 18,578,292,308.10 × 12,385,528,205.40
  4. Step 4: Simplify right side
    12,385,528,205.40x = 230,101,963,390,138,384,384
  5. Step 5: Solve for x
    x = 230,101,963,390,138,384,384/12,385,528,205.40
  6. Step 6: Final answer
    x = 18,578,292,308.10

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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.