Home / 399,868,706.16-599,829,377.54-104,771,051.84

Finding the Fourth Proportional to 399,868,706.16, 599,829,377.54 and 104,771,051.84

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Solution

The fourth proportional to 399,868,706.16, 599,829,377.54 and 104,771,051.84 is: 157,163,473.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,868,706.16 : 599,829,377.54 = 104,771,051.84 : x
  2. Step 2: Convert to fraction form
    399,868,706.16/599,829,377.54 = 104,771,051.84/x
  3. Step 3: Cross multiply
    399,868,706.16x = 599,829,377.54 × 104,771,051.84
  4. Step 4: Simplify right side
    399,868,706.16x = 62,844,754,810,373,984
  5. Step 5: Solve for x
    x = 62,844,754,810,373,984/399,868,706.16
  6. Step 6: Final answer
    x = 157,163,473.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.