Home / 430,806,767,965.74-646,210,151,993.10-143,964,824,457.69

Finding the Fourth Proportional to 430,806,767,965.74, 646,210,151,993.10 and 143,964,824,457.69

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Solution

The fourth proportional to 430,806,767,965.74, 646,210,151,993.10 and 143,964,824,457.69 is: 215,947,236,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,806,767,965.74 : 646,210,151,993.10 = 143,964,824,457.69 : x
  2. Step 2: Convert to fraction form
    430,806,767,965.74/646,210,151,993.10 = 143,964,824,457.69/x
  3. Step 3: Cross multiply
    430,806,767,965.74x = 646,210,151,993.10 × 143,964,824,457.69
  4. Step 4: Simplify right side
    430,806,767,965.74x = 93,031,531,094,463,813,255,168
  5. Step 5: Solve for x
    x = 93,031,531,094,463,813,255,168/430,806,767,965.74
  6. Step 6: Final answer
    x = 215,947,236,701.40

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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.