Home / 393,312,012.60-589,968,018.90-270,868,006.20

Finding the Fourth Proportional to 393,312,012.60, 589,968,018.90 and 270,868,006.20

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Solution

The fourth proportional to 393,312,012.60, 589,968,018.90 and 270,868,006.20 is: 406,302,009.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,312,012.60 : 589,968,018.90 = 270,868,006.20 : x
  2. Step 2: Convert to fraction form
    393,312,012.60/589,968,018.90 = 270,868,006.20/x
  3. Step 3: Cross multiply
    393,312,012.60x = 589,968,018.90 × 270,868,006.20
  4. Step 4: Simplify right side
    393,312,012.60x = 159,803,461,001,206,912
  5. Step 5: Solve for x
    x = 159,803,461,001,206,912/393,312,012.60
  6. Step 6: Final answer
    x = 406,302,009.30

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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.