Home / 776,196,089.56-1,071,134,235.21-423,755,047.18

Finding the Fourth Proportional to 776,196,089.56, 1,071,134,235.21 and 423,755,047.18

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Solution

The fourth proportional to 776,196,089.56, 1,071,134,235.21 and 423,755,047.18 is: 584,773,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,196,089.56 : 1,071,134,235.21 = 423,755,047.18 : x
  2. Step 2: Convert to fraction form
    776,196,089.56/1,071,134,235.21 = 423,755,047.18/x
  3. Step 3: Cross multiply
    776,196,089.56x = 1,071,134,235.21 × 423,755,047.18
  4. Step 4: Simplify right side
    776,196,089.56x = 453,898,538,377,526,784
  5. Step 5: Solve for x
    x = 453,898,538,377,526,784/776,196,089.56
  6. Step 6: Final answer
    x = 584,773,028.98

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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.