Home / 648,816,346-895,348,059.64-380,887,870.24

Finding the Fourth Proportional to 648,816,346, 895,348,059.64 and 380,887,870.24

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Solution

The fourth proportional to 648,816,346, 895,348,059.64 and 380,887,870.24 is: 525,614,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,816,346 : 895,348,059.64 = 380,887,870.24 : x
  2. Step 2: Convert to fraction form
    648,816,346/895,348,059.64 = 380,887,870.24/x
  3. Step 3: Cross multiply
    648,816,346x = 895,348,059.64 × 380,887,870.24
  4. Step 4: Simplify right side
    648,816,346x = 341,027,215,559,796,096
  5. Step 5: Solve for x
    x = 341,027,215,559,796,096/648,816,346
  6. Step 6: Final answer
    x = 525,614,401.77

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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.