Home / 869,166,269.80-1,303,749,404.70-665,092,925.80

Finding the Fourth Proportional to 869,166,269.80, 1,303,749,404.70 and 665,092,925.80

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Solution

The fourth proportional to 869,166,269.80, 1,303,749,404.70 and 665,092,925.80 is: 997,639,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,166,269.80 : 1,303,749,404.70 = 665,092,925.80 : x
  2. Step 2: Convert to fraction form
    869,166,269.80/1,303,749,404.70 = 665,092,925.80/x
  3. Step 3: Cross multiply
    869,166,269.80x = 1,303,749,404.70 × 665,092,925.80
  4. Step 4: Simplify right side
    869,166,269.80x = 867,114,506,081,931,264
  5. Step 5: Solve for x
    x = 867,114,506,081,931,264/869,166,269.80
  6. Step 6: Final answer
    x = 997,639,388.70

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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.