Home / 754,922,350,123.30-1,041,792,803,322.60-407,692,595,606.78

Finding the Fourth Proportional to 754,922,350,123.30, 1,041,792,803,322.60 and 407,692,595,606.78

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Solution

The fourth proportional to 754,922,350,123.30, 1,041,792,803,322.60 and 407,692,595,606.78 is: 562,615,760,417.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,922,350,123.30 : 1,041,792,803,322.60 = 407,692,595,606.78 : x
  2. Step 2: Convert to fraction form
    754,922,350,123.30/1,041,792,803,322.60 = 407,692,595,606.78/x
  3. Step 3: Cross multiply
    754,922,350,123.30x = 1,041,792,803,322.60 × 407,692,595,606.78
  4. Step 4: Simplify right side
    754,922,350,123.30x = 424,731,212,071,054,463,729,664
  5. Step 5: Solve for x
    x = 424,731,212,071,054,463,729,664/754,922,350,123.30
  6. Step 6: Final answer
    x = 562,615,760,417.86

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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.