Home / 503,965,022.40-695,471,572.80-272,178,014.40

Finding the Fourth Proportional to 503,965,022.40, 695,471,572.80 and 272,178,014.40

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Solution

The fourth proportional to 503,965,022.40, 695,471,572.80 and 272,178,014.40 is: 375,605,574.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,965,022.40 : 695,471,572.80 = 272,178,014.40 : x
  2. Step 2: Convert to fraction form
    503,965,022.40/695,471,572.80 = 272,178,014.40/x
  3. Step 3: Cross multiply
    503,965,022.40x = 695,471,572.80 × 272,178,014.40
  4. Step 4: Simplify right side
    503,965,022.40x = 189,292,071,756,349,024
  5. Step 5: Solve for x
    x = 189,292,071,756,349,024/503,965,022.40
  6. Step 6: Final answer
    x = 375,605,574.48

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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.