Home / 739,262,731.14-1,020,190,631.14-409,243,381.38

Finding the Fourth Proportional to 739,262,731.14, 1,020,190,631.14 and 409,243,381.38

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Solution

The fourth proportional to 739,262,731.14, 1,020,190,631.14 and 409,243,381.38 is: 564,760,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,262,731.14 : 1,020,190,631.14 = 409,243,381.38 : x
  2. Step 2: Convert to fraction form
    739,262,731.14/1,020,190,631.14 = 409,243,381.38/x
  3. Step 3: Cross multiply
    739,262,731.14x = 1,020,190,631.14 × 409,243,381.38
  4. Step 4: Simplify right side
    739,262,731.14x = 417,506,263,539,929,920
  5. Step 5: Solve for x
    x = 417,506,263,539,929,920/739,262,731.14
  6. Step 6: Final answer
    x = 564,760,329.38

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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.