Home / 353,280,407,303.11-530,074,748,072.77-123,712,510,563.43

Finding the Fourth Proportional to 353,280,407,303.11, 530,074,748,072.77 and 123,712,510,563.43

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Solution

The fourth proportional to 353,280,407,303.11, 530,074,748,072.77 and 123,712,510,563.43 is: 185,622,741,920.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,280,407,303.11 : 530,074,748,072.77 = 123,712,510,563.43 : x
  2. Step 2: Convert to fraction form
    353,280,407,303.11/530,074,748,072.77 = 123,712,510,563.43/x
  3. Step 3: Cross multiply
    353,280,407,303.11x = 530,074,748,072.77 × 123,712,510,563.43
  4. Step 4: Simplify right side
    353,280,407,303.11x = 65,576,877,870,360,054,202,368
  5. Step 5: Solve for x
    x = 65,576,877,870,360,054,202,368/353,280,407,303.11
  6. Step 6: Final answer
    x = 185,622,741,920.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.