Home / 708,155,154-977,254,112.88-414,799,722

Finding the Fourth Proportional to 708,155,154, 977,254,112.88 and 414,799,722

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Solution

The fourth proportional to 708,155,154, 977,254,112.88 and 414,799,722 is: 572,423,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,155,154 : 977,254,112.88 = 414,799,722 : x
  2. Step 2: Convert to fraction form
    708,155,154/977,254,112.88 = 414,799,722/x
  3. Step 3: Cross multiply
    708,155,154x = 977,254,112.88 × 414,799,722
  4. Step 4: Simplify right side
    708,155,154x = 405,364,734,345,980,608
  5. Step 5: Solve for x
    x = 405,364,734,345,980,608/708,155,154
  6. Step 6: Final answer
    x = 572,423,616.57

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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.