Home / 525,484,927.20-788,227,390.80-512,047,999.20

Finding the Fourth Proportional to 525,484,927.20, 788,227,390.80 and 512,047,999.20

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Solution

The fourth proportional to 525,484,927.20, 788,227,390.80 and 512,047,999.20 is: 768,071,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,484,927.20 : 788,227,390.80 = 512,047,999.20 : x
  2. Step 2: Convert to fraction form
    525,484,927.20/788,227,390.80 = 512,047,999.20/x
  3. Step 3: Cross multiply
    525,484,927.20x = 788,227,390.80 × 512,047,999.20
  4. Step 4: Simplify right side
    525,484,927.20x = 403,610,258,373,776,448
  5. Step 5: Solve for x
    x = 403,610,258,373,776,448/525,484,927.20
  6. Step 6: Final answer
    x = 768,071,998.80

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1.5x scale

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.