Home / 15,103,142,215.42-20,835,724,271.43-14,402,915,549.50

Finding the Fourth Proportional to 15,103,142,215.42, 20,835,724,271.43 and 14,402,915,549.50

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Solution

The fourth proportional to 15,103,142,215.42, 20,835,724,271.43 and 14,402,915,549.50 is: 19,869,718,023.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103,142,215.42 : 20,835,724,271.43 = 14,402,915,549.50 : x
  2. Step 2: Convert to fraction form
    15,103,142,215.42/20,835,724,271.43 = 14,402,915,549.50/x
  3. Step 3: Cross multiply
    15,103,142,215.42x = 20,835,724,271.43 × 14,402,915,549.50
  4. Step 4: Simplify right side
    15,103,142,215.42x = 300,095,177,094,073,679,872
  5. Step 5: Solve for x
    x = 300,095,177,094,073,679,872/15,103,142,215.42
  6. Step 6: Final answer
    x = 19,869,718,023.82

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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.