Home / 525,177,360.12-787,061,866.74-408,733,315.32

Finding the Fourth Proportional to 525,177,360.12, 787,061,866.74 and 408,733,315.32

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Solution

The fourth proportional to 525,177,360.12, 787,061,866.74 and 408,733,315.32 is: 612,551,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,177,360.12 : 787,061,866.74 = 408,733,315.32 : x
  2. Step 2: Convert to fraction form
    525,177,360.12/787,061,866.74 = 408,733,315.32/x
  3. Step 3: Cross multiply
    525,177,360.12x = 787,061,866.74 × 408,733,315.32
  4. Step 4: Simplify right side
    525,177,360.12x = 321,698,406,154,588,224
  5. Step 5: Solve for x
    x = 321,698,406,154,588,224/525,177,360.12
  6. Step 6: Final answer
    x = 612,551,931.18

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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.