Home / 545,792,030.40-818,688,045.60-448,936,908.15

Finding the Fourth Proportional to 545,792,030.40, 818,688,045.60 and 448,936,908.15

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Solution

The fourth proportional to 545,792,030.40, 818,688,045.60 and 448,936,908.15 is: 673,405,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,792,030.40 : 818,688,045.60 = 448,936,908.15 : x
  2. Step 2: Convert to fraction form
    545,792,030.40/818,688,045.60 = 448,936,908.15/x
  3. Step 3: Cross multiply
    545,792,030.40x = 818,688,045.60 × 448,936,908.15
  4. Step 4: Simplify right side
    545,792,030.40x = 367,539,279,931,030,208
  5. Step 5: Solve for x
    x = 367,539,279,931,030,208/545,792,030.40
  6. Step 6: Final answer
    x = 673,405,362.23

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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.