Home / 562,721,003.04-776,559,542.88-311,829,586.08

Finding the Fourth Proportional to 562,721,003.04, 776,559,542.88 and 311,829,586.08

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Solution

The fourth proportional to 562,721,003.04, 776,559,542.88 and 311,829,586.08 is: 430,327,354.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,721,003.04 : 776,559,542.88 = 311,829,586.08 : x
  2. Step 2: Convert to fraction form
    562,721,003.04/776,559,542.88 = 311,829,586.08/x
  3. Step 3: Cross multiply
    562,721,003.04x = 776,559,542.88 × 311,829,586.08
  4. Step 4: Simplify right side
    562,721,003.04x = 242,154,240,822,744,384
  5. Step 5: Solve for x
    x = 242,154,240,822,744,384/562,721,003.04
  6. Step 6: Final answer
    x = 430,327,354.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.