Home / 18,506,990,002.50-25,539,646,203.45-10,586,393,338.50

Finding the Fourth Proportional to 18,506,990,002.50, 25,539,646,203.45 and 10,586,393,338.50

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Solution

The fourth proportional to 18,506,990,002.50, 25,539,646,203.45 and 10,586,393,338.50 is: 14,609,222,807.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506,990,002.50 : 25,539,646,203.45 = 10,586,393,338.50 : x
  2. Step 2: Convert to fraction form
    18,506,990,002.50/25,539,646,203.45 = 10,586,393,338.50/x
  3. Step 3: Cross multiply
    18,506,990,002.50x = 25,539,646,203.45 × 10,586,393,338.50
  4. Step 4: Simplify right side
    18,506,990,002.50x = 270,372,740,435,849,904,128
  5. Step 5: Solve for x
    x = 270,372,740,435,849,904,128/18,506,990,002.50
  6. Step 6: Final answer
    x = 14,609,222,807.13

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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.