Home / 18,850,528,605.80-28,275,792,908.70-8,358,607,807.40

Finding the Fourth Proportional to 18,850,528,605.80, 28,275,792,908.70 and 8,358,607,807.40

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Solution

The fourth proportional to 18,850,528,605.80, 28,275,792,908.70 and 8,358,607,807.40 is: 12,537,911,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850,528,605.80 : 28,275,792,908.70 = 8,358,607,807.40 : x
  2. Step 2: Convert to fraction form
    18,850,528,605.80/28,275,792,908.70 = 8,358,607,807.40/x
  3. Step 3: Cross multiply
    18,850,528,605.80x = 28,275,792,908.70 × 8,358,607,807.40
  4. Step 4: Simplify right side
    18,850,528,605.80x = 236,346,263,367,085,359,104
  5. Step 5: Solve for x
    x = 236,346,263,367,085,359,104/18,850,528,605.80
  6. Step 6: Final answer
    x = 12,537,911,711.10

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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.