Home / 1,223,999,482.92-1,689,179,216.57-688,319,737.93

Finding the Fourth Proportional to 1,223,999,482.92, 1,689,179,216.57 and 688,319,737.93

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Solution

The fourth proportional to 1,223,999,482.92, 1,689,179,216.57 and 688,319,737.93 is: 949,914,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,999,482.92 : 1,689,179,216.57 = 688,319,737.93 : x
  2. Step 2: Convert to fraction form
    1,223,999,482.92/1,689,179,216.57 = 688,319,737.93/x
  3. Step 3: Cross multiply
    1,223,999,482.92x = 1,689,179,216.57 × 688,319,737.93
  4. Step 4: Simplify right side
    1,223,999,482.92x = 1,162,695,395,666,265,088
  5. Step 5: Solve for x
    x = 1,162,695,395,666,265,088/1,223,999,482.92
  6. Step 6: Final answer
    x = 949,914,940.24

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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.