Home / 739,262,735.16-1,020,190,636.64-409,243,385.40

Finding the Fourth Proportional to 739,262,735.16, 1,020,190,636.64 and 409,243,385.40

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Solution

The fourth proportional to 739,262,735.16, 1,020,190,636.64 and 409,243,385.40 is: 564,760,334.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,262,735.16 : 1,020,190,636.64 = 409,243,385.40 : x
  2. Step 2: Convert to fraction form
    739,262,735.16/1,020,190,636.64 = 409,243,385.40/x
  3. Step 3: Cross multiply
    739,262,735.16x = 1,020,190,636.64 × 409,243,385.40
  4. Step 4: Simplify right side
    739,262,735.16x = 417,506,269,891,934,848
  5. Step 5: Solve for x
    x = 417,506,269,891,934,848/739,262,735.16
  6. Step 6: Final answer
    x = 564,760,334.91

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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.