Home / 885,736,271.70-1,328,604,407.55-880,634,438.10

Finding the Fourth Proportional to 885,736,271.70, 1,328,604,407.55 and 880,634,438.10

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Solution

The fourth proportional to 885,736,271.70, 1,328,604,407.55 and 880,634,438.10 is: 1,320,951,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,271.70 : 1,328,604,407.55 = 880,634,438.10 : x
  2. Step 2: Convert to fraction form
    885,736,271.70/1,328,604,407.55 = 880,634,438.10/x
  3. Step 3: Cross multiply
    885,736,271.70x = 1,328,604,407.55 × 880,634,438.10
  4. Step 4: Simplify right side
    885,736,271.70x = 1,170,014,795,899,977,728
  5. Step 5: Solve for x
    x = 1,170,014,795,899,977,728/885,736,271.70
  6. Step 6: Final answer
    x = 1,320,951,657.15

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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.