Home / 580,608,045.60-870,912,068.40-492,932,090.40

Finding the Fourth Proportional to 580,608,045.60, 870,912,068.40 and 492,932,090.40

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Solution

The fourth proportional to 580,608,045.60, 870,912,068.40 and 492,932,090.40 is: 739,398,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,045.60 : 870,912,068.40 = 492,932,090.40 : x
  2. Step 2: Convert to fraction form
    580,608,045.60/870,912,068.40 = 492,932,090.40/x
  3. Step 3: Cross multiply
    580,608,045.60x = 870,912,068.40 × 492,932,090.40
  4. Step 4: Simplify right side
    580,608,045.60x = 429,300,506,430,999,744
  5. Step 5: Solve for x
    x = 429,300,506,430,999,744/580,608,045.60
  6. Step 6: Final answer
    x = 739,398,135.60

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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.