Home / 724,631,795.96-999,859,041.59-427,367,057.72

Finding the Fourth Proportional to 724,631,795.96, 999,859,041.59 and 427,367,057.72

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Solution

The fourth proportional to 724,631,795.96, 999,859,041.59 and 427,367,057.72 is: 589,688,196.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,631,795.96 : 999,859,041.59 = 427,367,057.72 : x
  2. Step 2: Convert to fraction form
    724,631,795.96/999,859,041.59 = 427,367,057.72/x
  3. Step 3: Cross multiply
    724,631,795.96x = 999,859,041.59 × 427,367,057.72
  4. Step 4: Simplify right side
    724,631,795.96x = 427,306,816,731,921,280
  5. Step 5: Solve for x
    x = 427,306,816,731,921,280/724,631,795.96
  6. Step 6: Final answer
    x = 589,688,196.29

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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.