Home / 371,849,260.68-557,841,979.62-153,380,421.72

Finding the Fourth Proportional to 371,849,260.68, 557,841,979.62 and 153,380,421.72

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Solution

The fourth proportional to 371,849,260.68, 557,841,979.62 and 153,380,421.72 is: 230,098,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,849,260.68 : 557,841,979.62 = 153,380,421.72 : x
  2. Step 2: Convert to fraction form
    371,849,260.68/557,841,979.62 = 153,380,421.72/x
  3. Step 3: Cross multiply
    371,849,260.68x = 557,841,979.62 × 153,380,421.72
  4. Step 4: Simplify right side
    371,849,260.68x = 85,562,038,087,235,248
  5. Step 5: Solve for x
    x = 85,562,038,087,235,248/371,849,260.68
  6. Step 6: Final answer
    x = 230,098,717.77

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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.