Home / 458,706,484,530.72-688,061,903,210.94-140,352,175,491.16

Finding the Fourth Proportional to 458,706,484,530.72, 688,061,903,210.94 and 140,352,175,491.16

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Solution

The fourth proportional to 458,706,484,530.72, 688,061,903,210.94 and 140,352,175,491.16 is: 210,528,929,162.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,706,484,530.72 : 688,061,903,210.94 = 140,352,175,491.16 : x
  2. Step 2: Convert to fraction form
    458,706,484,530.72/688,061,903,210.94 = 140,352,175,491.16/x
  3. Step 3: Cross multiply
    458,706,484,530.72x = 688,061,903,210.94 × 140,352,175,491.16
  4. Step 4: Simplify right side
    458,706,484,530.72x = 96,570,984,988,243,392,462,848
  5. Step 5: Solve for x
    x = 96,570,984,988,243,392,462,848/458,706,484,530.72
  6. Step 6: Final answer
    x = 210,528,929,162.71

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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.