Home / 389,005,064.04-583,548,461.64-126,710,055.36

Finding the Fourth Proportional to 389,005,064.04, 583,548,461.64 and 126,710,055.36

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Solution

The fourth proportional to 389,005,064.04, 583,548,461.64 and 126,710,055.36 is: 190,078,394.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,005,064.04 : 583,548,461.64 = 126,710,055.36 : x
  2. Step 2: Convert to fraction form
    389,005,064.04/583,548,461.64 = 126,710,055.36/x
  3. Step 3: Cross multiply
    389,005,064.04x = 583,548,461.64 × 126,710,055.36
  4. Step 4: Simplify right side
    389,005,064.04x = 73,941,457,879,647,232
  5. Step 5: Solve for x
    x = 73,941,457,879,647,232/389,005,064.04
  6. Step 6: Final answer
    x = 190,078,394.13

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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.