Home / 948,672,801.60-1,423,009,202.40-623,205,211.20

Finding the Fourth Proportional to 948,672,801.60, 1,423,009,202.40 and 623,205,211.20

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Solution

The fourth proportional to 948,672,801.60, 1,423,009,202.40 and 623,205,211.20 is: 934,807,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,672,801.60 : 1,423,009,202.40 = 623,205,211.20 : x
  2. Step 2: Convert to fraction form
    948,672,801.60/1,423,009,202.40 = 623,205,211.20/x
  3. Step 3: Cross multiply
    948,672,801.60x = 1,423,009,202.40 × 623,205,211.20
  4. Step 4: Simplify right side
    948,672,801.60x = 886,826,750,521,235,712
  5. Step 5: Solve for x
    x = 886,826,750,521,235,712/948,672,801.60
  6. Step 6: Final answer
    x = 934,807,816.80

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1.5x scale

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.