Home / 516,613,000.02-774,922,354.11-128,435,830.89

Finding the Fourth Proportional to 516,613,000.02, 774,922,354.11 and 128,435,830.89

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Solution

The fourth proportional to 516,613,000.02, 774,922,354.11 and 128,435,830.89 is: 192,654,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,613,000.02 : 774,922,354.11 = 128,435,830.89 : x
  2. Step 2: Convert to fraction form
    516,613,000.02/774,922,354.11 = 128,435,830.89/x
  3. Step 3: Cross multiply
    516,613,000.02x = 774,922,354.11 × 128,435,830.89
  4. Step 4: Simplify right side
    516,613,000.02x = 99,527,796,425,352,656
  5. Step 5: Solve for x
    x = 99,527,796,425,352,656/516,613,000.02
  6. Step 6: Final answer
    x = 192,654,455.89

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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.