Home / 1,146,612,763.68-1,582,300,804.44-663,825,070.74

Finding the Fourth Proportional to 1,146,612,763.68, 1,582,300,804.44 and 663,825,070.74

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Solution

The fourth proportional to 1,146,612,763.68, 1,582,300,804.44 and 663,825,070.74 is: 916,064,234.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,612,763.68 : 1,582,300,804.44 = 663,825,070.74 : x
  2. Step 2: Convert to fraction form
    1,146,612,763.68/1,582,300,804.44 = 663,825,070.74/x
  3. Step 3: Cross multiply
    1,146,612,763.68x = 1,582,300,804.44 × 663,825,070.74
  4. Step 4: Simplify right side
    1,146,612,763.68x = 1,050,370,943,439,341,952
  5. Step 5: Solve for x
    x = 1,050,370,943,439,341,952/1,146,612,763.68
  6. Step 6: Final answer
    x = 916,064,234.34

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Double scale
Find fourth proportional to 1,146,612,764.68, 1,582,300,805.82 and 663,825,071.74
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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.