Home / 369,668,525.60-510,142,685.80-202,415,386.47

Finding the Fourth Proportional to 369,668,525.60, 510,142,685.80 and 202,415,386.47

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Solution

The fourth proportional to 369,668,525.60, 510,142,685.80 and 202,415,386.47 is: 279,333,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,668,525.60 : 510,142,685.80 = 202,415,386.47 : x
  2. Step 2: Convert to fraction form
    369,668,525.60/510,142,685.80 = 202,415,386.47/x
  3. Step 3: Cross multiply
    369,668,525.60x = 510,142,685.80 × 202,415,386.47
  4. Step 4: Simplify right side
    369,668,525.60x = 103,260,728,901,050,784
  5. Step 5: Solve for x
    x = 103,260,728,901,050,784/369,668,525.60
  6. Step 6: Final answer
    x = 279,333,299.30

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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.