Home / 524,522,315.72-723,935,543.94-312,842,715.24

Finding the Fourth Proportional to 524,522,315.72, 723,935,543.94 and 312,842,715.24

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Solution

The fourth proportional to 524,522,315.72, 723,935,543.94 and 312,842,715.24 is: 431,779,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,522,315.72 : 723,935,543.94 = 312,842,715.24 : x
  2. Step 2: Convert to fraction form
    524,522,315.72/723,935,543.94 = 312,842,715.24/x
  3. Step 3: Cross multiply
    524,522,315.72x = 723,935,543.94 × 312,842,715.24
  4. Step 4: Simplify right side
    524,522,315.72x = 226,477,961,224,935,968
  5. Step 5: Solve for x
    x = 226,477,961,224,935,968/524,522,315.72
  6. Step 6: Final answer
    x = 431,779,458.07

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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.