Home / 430,806,767,990.72-646,210,152,030.82-143,964,824,482.81

Finding the Fourth Proportional to 430,806,767,990.72, 646,210,152,030.82 and 143,964,824,482.81

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Solution

The fourth proportional to 430,806,767,990.72, 646,210,152,030.82 and 143,964,824,482.81 is: 215,947,236,739.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,806,767,990.72 : 646,210,152,030.82 = 143,964,824,482.81 : x
  2. Step 2: Convert to fraction form
    430,806,767,990.72/646,210,152,030.82 = 143,964,824,482.81/x
  3. Step 3: Cross multiply
    430,806,767,990.72x = 646,210,152,030.82 × 143,964,824,482.81
  4. Step 4: Simplify right side
    430,806,767,990.72x = 93,031,531,116,126,957,207,552
  5. Step 5: Solve for x
    x = 93,031,531,116,126,957,207,552/430,806,767,990.72
  6. Step 6: Final answer
    x = 215,947,236,739.17

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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.