Home / 739,911,497.40-1,020,948,075.21-422,226,696.42

Finding the Fourth Proportional to 739,911,497.40, 1,020,948,075.21 and 422,226,696.42

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Solution

The fourth proportional to 739,911,497.40, 1,020,948,075.21 and 422,226,696.42 is: 582,598,776.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,911,497.40 : 1,020,948,075.21 = 422,226,696.42 : x
  2. Step 2: Convert to fraction form
    739,911,497.40/1,020,948,075.21 = 422,226,696.42/x
  3. Step 3: Cross multiply
    739,911,497.40x = 1,020,948,075.21 × 422,226,696.42
  4. Step 4: Simplify right side
    739,911,497.40x = 431,071,533,012,276,032
  5. Step 5: Solve for x
    x = 431,071,533,012,276,032/739,911,497.40
  6. Step 6: Final answer
    x = 582,598,776.38

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Double scale
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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.