Home / 476,654,804.07-714,968,989.23-126,903,872.67

Finding the Fourth Proportional to 476,654,804.07, 714,968,989.23 and 126,903,872.67

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Solution

The fourth proportional to 476,654,804.07, 714,968,989.23 and 126,903,872.67 is: 190,352,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,654,804.07 : 714,968,989.23 = 126,903,872.67 : x
  2. Step 2: Convert to fraction form
    476,654,804.07/714,968,989.23 = 126,903,872.67/x
  3. Step 3: Cross multiply
    476,654,804.07x = 714,968,989.23 × 126,903,872.67
  4. Step 4: Simplify right side
    476,654,804.07x = 90,732,333,572,242,528
  5. Step 5: Solve for x
    x = 90,732,333,572,242,528/476,654,804.07
  6. Step 6: Final answer
    x = 190,352,290.16

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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.