Home / 476,928,030.80-715,392,046.20-399,833,656.40

Finding the Fourth Proportional to 476,928,030.80, 715,392,046.20 and 399,833,656.40

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Solution

The fourth proportional to 476,928,030.80, 715,392,046.20 and 399,833,656.40 is: 599,750,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,928,030.80 : 715,392,046.20 = 399,833,656.40 : x
  2. Step 2: Convert to fraction form
    476,928,030.80/715,392,046.20 = 399,833,656.40/x
  3. Step 3: Cross multiply
    476,928,030.80x = 715,392,046.20 × 399,833,656.40
  4. Step 4: Simplify right side
    476,928,030.80x = 286,037,817,591,623,712
  5. Step 5: Solve for x
    x = 286,037,817,591,623,712/476,928,030.80
  6. Step 6: Final answer
    x = 599,750,484.60

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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.