Home / 382,875,189.40-574,454,501.70-153,009,242.20

Finding the Fourth Proportional to 382,875,189.40, 574,454,501.70 and 153,009,242.20

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Solution

The fourth proportional to 382,875,189.40, 574,454,501.70 and 153,009,242.20 is: 229,570,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,875,189.40 : 574,454,501.70 = 153,009,242.20 : x
  2. Step 2: Convert to fraction form
    382,875,189.40/574,454,501.70 = 153,009,242.20/x
  3. Step 3: Cross multiply
    382,875,189.40x = 574,454,501.70 × 153,009,242.20
  4. Step 4: Simplify right side
    382,875,189.40x = 87,896,847,983,495,616
  5. Step 5: Solve for x
    x = 87,896,847,983,495,616/382,875,189.40
  6. Step 6: Final answer
    x = 229,570,498.21

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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.