Home / 928,538,547.84-1,281,383,153.64-510,841,872.36

Finding the Fourth Proportional to 928,538,547.84, 1,281,383,153.64 and 510,841,872.36

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Solution

The fourth proportional to 928,538,547.84, 1,281,383,153.64 and 510,841,872.36 is: 704,961,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,538,547.84 : 1,281,383,153.64 = 510,841,872.36 : x
  2. Step 2: Convert to fraction form
    928,538,547.84/1,281,383,153.64 = 510,841,872.36/x
  3. Step 3: Cross multiply
    928,538,547.84x = 1,281,383,153.64 × 510,841,872.36
  4. Step 4: Simplify right side
    928,538,547.84x = 654,584,169,416,019,200
  5. Step 5: Solve for x
    x = 654,584,169,416,019,200/928,538,547.84
  6. Step 6: Final answer
    x = 704,961,760.54

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1.5x scale

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.