Home / 946,846,130.77-1,306,688,013.81-529,158,403.72

Finding the Fourth Proportional to 946,846,130.77, 1,306,688,013.81 and 529,158,403.72

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Solution

The fourth proportional to 946,846,130.77, 1,306,688,013.81 and 529,158,403.72 is: 730,261,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,846,130.77 : 1,306,688,013.81 = 529,158,403.72 : x
  2. Step 2: Convert to fraction form
    946,846,130.77/1,306,688,013.81 = 529,158,403.72/x
  3. Step 3: Cross multiply
    946,846,130.77x = 1,306,688,013.81 × 529,158,403.72
  4. Step 4: Simplify right side
    946,846,130.77x = 691,444,943,538,577,664
  5. Step 5: Solve for x
    x = 691,444,943,538,577,664/946,846,130.77
  6. Step 6: Final answer
    x = 730,261,149.17

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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.