Home / 1,679,658,415.40-2,519,487,623.10-1,577,621,743.40

Finding the Fourth Proportional to 1,679,658,415.40, 2,519,487,623.10 and 1,577,621,743.40

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Solution

The fourth proportional to 1,679,658,415.40, 2,519,487,623.10 and 1,577,621,743.40 is: 2,366,432,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,658,415.40 : 2,519,487,623.10 = 1,577,621,743.40 : x
  2. Step 2: Convert to fraction form
    1,679,658,415.40/2,519,487,623.10 = 1,577,621,743.40/x
  3. Step 3: Cross multiply
    1,679,658,415.40x = 2,519,487,623.10 × 1,577,621,743.40
  4. Step 4: Simplify right side
    1,679,658,415.40x = 3,974,798,456,429,744,128
  5. Step 5: Solve for x
    x = 3,974,798,456,429,744,128/1,679,658,415.40
  6. Step 6: Final answer
    x = 2,366,432,615.10

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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.