Home / 997,272,017.80-1,495,908,026.70-479,435,907.40

Finding the Fourth Proportional to 997,272,017.80, 1,495,908,026.70 and 479,435,907.40

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Solution

The fourth proportional to 997,272,017.80, 1,495,908,026.70 and 479,435,907.40 is: 719,153,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,272,017.80 : 1,495,908,026.70 = 479,435,907.40 : x
  2. Step 2: Convert to fraction form
    997,272,017.80/1,495,908,026.70 = 479,435,907.40/x
  3. Step 3: Cross multiply
    997,272,017.80x = 1,495,908,026.70 × 479,435,907.40
  4. Step 4: Simplify right side
    997,272,017.80x = 717,192,022,167,857,920
  5. Step 5: Solve for x
    x = 717,192,022,167,857,920/997,272,017.80
  6. Step 6: Final answer
    x = 719,153,861.10

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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.