Home / 527,388,875.74-727,761,172.08-292,430,838.01

Finding the Fourth Proportional to 527,388,875.74, 727,761,172.08 and 292,430,838.01

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Solution

The fourth proportional to 527,388,875.74, 727,761,172.08 and 292,430,838.01 is: 403,534,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,388,875.74 : 727,761,172.08 = 292,430,838.01 : x
  2. Step 2: Convert to fraction form
    527,388,875.74/727,761,172.08 = 292,430,838.01/x
  3. Step 3: Cross multiply
    527,388,875.74x = 727,761,172.08 × 292,430,838.01
  4. Step 4: Simplify right side
    527,388,875.74x = 212,819,809,422,494,208
  5. Step 5: Solve for x
    x = 212,819,809,422,494,208/527,388,875.74
  6. Step 6: Final answer
    x = 403,534,885.19

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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.