Home / 575,456,438.40-863,184,657.60-211,903,555.20

Finding the Fourth Proportional to 575,456,438.40, 863,184,657.60 and 211,903,555.20

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Solution

The fourth proportional to 575,456,438.40, 863,184,657.60 and 211,903,555.20 is: 317,855,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,456,438.40 : 863,184,657.60 = 211,903,555.20 : x
  2. Step 2: Convert to fraction form
    575,456,438.40/863,184,657.60 = 211,903,555.20/x
  3. Step 3: Cross multiply
    575,456,438.40x = 863,184,657.60 × 211,903,555.20
  4. Step 4: Simplify right side
    575,456,438.40x = 182,911,897,739,534,688
  5. Step 5: Solve for x
    x = 182,911,897,739,534,688/575,456,438.40
  6. Step 6: Final answer
    x = 317,855,332.80

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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.