Home / 12,597,209,266.80-18,886,743,973.80-7,078,159,052.40

Finding the Fourth Proportional to 12,597,209,266.80, 18,886,743,973.80 and 7,078,159,052.40

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Solution

The fourth proportional to 12,597,209,266.80, 18,886,743,973.80 and 7,078,159,052.40 is: 10,612,142,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,597,209,266.80 : 18,886,743,973.80 = 7,078,159,052.40 : x
  2. Step 2: Convert to fraction form
    12,597,209,266.80/18,886,743,973.80 = 7,078,159,052.40/x
  3. Step 3: Cross multiply
    12,597,209,266.80x = 18,886,743,973.80 × 7,078,159,052.40
  4. Step 4: Simplify right side
    12,597,209,266.80x = 133,683,377,828,513,611,776
  5. Step 5: Solve for x
    x = 133,683,377,828,513,611,776/12,597,209,266.80
  6. Step 6: Final answer
    x = 10,612,142,340.20

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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.