Home / 456,915,038.70-685,763,914.56-453,475,784.94

Finding the Fourth Proportional to 456,915,038.70, 685,763,914.56 and 453,475,784.94

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Solution

The fourth proportional to 456,915,038.70, 685,763,914.56 and 453,475,784.94 is: 680,602,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,915,038.70 : 685,763,914.56 = 453,475,784.94 : x
  2. Step 2: Convert to fraction form
    456,915,038.70/685,763,914.56 = 453,475,784.94/x
  3. Step 3: Cross multiply
    456,915,038.70x = 685,763,914.56 × 453,475,784.94
  4. Step 4: Simplify right side
    456,915,038.70x = 310,977,329,438,623,040
  5. Step 5: Solve for x
    x = 310,977,329,438,623,040/456,915,038.70
  6. Step 6: Final answer
    x = 680,602,088.13

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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.