Home / 739,262,724.39-1,020,190,621.82-409,243,374.63

Finding the Fourth Proportional to 739,262,724.39, 1,020,190,621.82 and 409,243,374.63

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Solution

The fourth proportional to 739,262,724.39, 1,020,190,621.82 and 409,243,374.63 is: 564,760,320.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,262,724.39 : 1,020,190,621.82 = 409,243,374.63 : x
  2. Step 2: Convert to fraction form
    739,262,724.39/1,020,190,621.82 = 409,243,374.63/x
  3. Step 3: Cross multiply
    739,262,724.39x = 1,020,190,621.82 × 409,243,374.63
  4. Step 4: Simplify right side
    739,262,724.39x = 417,506,252,837,448,704
  5. Step 5: Solve for x
    x = 417,506,252,837,448,704/739,262,724.39
  6. Step 6: Final answer
    x = 564,760,320.06

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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.