Home / 612,345,166.80-918,517,750.20-586,835,998.80

Finding the Fourth Proportional to 612,345,166.80, 918,517,750.20 and 586,835,998.80

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Solution

The fourth proportional to 612,345,166.80, 918,517,750.20 and 586,835,998.80 is: 880,253,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,345,166.80 : 918,517,750.20 = 586,835,998.80 : x
  2. Step 2: Convert to fraction form
    612,345,166.80/918,517,750.20 = 586,835,998.80/x
  3. Step 3: Cross multiply
    612,345,166.80x = 918,517,750.20 × 586,835,998.80
  4. Step 4: Simplify right side
    612,345,166.80x = 539,019,281,354,145,856
  5. Step 5: Solve for x
    x = 539,019,281,354,145,856/612,345,166.80
  6. Step 6: Final answer
    x = 880,253,998.20

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Half scale
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Double scale
Find fourth proportional to 612,345,167.80, 918,517,751.70 and 586,835,999.80
Similar ratio
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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.