Home / 507,357,253.16-700,141,101.14-298,526,921.72

Finding the Fourth Proportional to 507,357,253.16, 700,141,101.14 and 298,526,921.72

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Solution

The fourth proportional to 507,357,253.16, 700,141,101.14 and 298,526,921.72 is: 411,960,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,357,253.16 : 700,141,101.14 = 298,526,921.72 : x
  2. Step 2: Convert to fraction form
    507,357,253.16/700,141,101.14 = 298,526,921.72/x
  3. Step 3: Cross multiply
    507,357,253.16x = 700,141,101.14 × 298,526,921.72
  4. Step 4: Simplify right side
    507,357,253.16x = 209,010,967,689,474,656
  5. Step 5: Solve for x
    x = 209,010,967,689,474,656/507,357,253.16
  6. Step 6: Final answer
    x = 411,960,145.22

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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.