Home / 466,011,740.77-643,109,836.43-254,332,148.34

Finding the Fourth Proportional to 466,011,740.77, 643,109,836.43 and 254,332,148.34

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Solution

The fourth proportional to 466,011,740.77, 643,109,836.43 and 254,332,148.34 is: 350,985,805.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,011,740.77 : 643,109,836.43 = 254,332,148.34 : x
  2. Step 2: Convert to fraction form
    466,011,740.77/643,109,836.43 = 254,332,148.34/x
  3. Step 3: Cross multiply
    466,011,740.77x = 643,109,836.43 × 254,332,148.34
  4. Step 4: Simplify right side
    466,011,740.77x = 163,563,506,317,827,872
  5. Step 5: Solve for x
    x = 163,563,506,317,827,872/466,011,740.77
  6. Step 6: Final answer
    x = 350,985,805.74

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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.