Home / 1,048,876,685.80-1,447,450,116.06-578,978,312.92

Finding the Fourth Proportional to 1,048,876,685.80, 1,447,450,116.06 and 578,978,312.92

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Solution

The fourth proportional to 1,048,876,685.80, 1,447,450,116.06 and 578,978,312.92 is: 798,990,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,876,685.80 : 1,447,450,116.06 = 578,978,312.92 : x
  2. Step 2: Convert to fraction form
    1,048,876,685.80/1,447,450,116.06 = 578,978,312.92/x
  3. Step 3: Cross multiply
    1,048,876,685.80x = 1,447,450,116.06 × 578,978,312.92
  4. Step 4: Simplify right side
    1,048,876,685.80x = 838,042,226,232,276,864
  5. Step 5: Solve for x
    x = 838,042,226,232,276,864/1,048,876,685.80
  6. Step 6: Final answer
    x = 798,990,231.72

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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.