Home / 673,988,937.60-1,010,983,406.40-559,103,203.20

Finding the Fourth Proportional to 673,988,937.60, 1,010,983,406.40 and 559,103,203.20

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Solution

The fourth proportional to 673,988,937.60, 1,010,983,406.40 and 559,103,203.20 is: 838,654,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,988,937.60 : 1,010,983,406.40 = 559,103,203.20 : x
  2. Step 2: Convert to fraction form
    673,988,937.60/1,010,983,406.40 = 559,103,203.20/x
  3. Step 3: Cross multiply
    673,988,937.60x = 1,010,983,406.40 × 559,103,203.20
  4. Step 4: Simplify right side
    673,988,937.60x = 565,244,060,900,287,424
  5. Step 5: Solve for x
    x = 565,244,060,900,287,424/673,988,937.60
  6. Step 6: Final answer
    x = 838,654,804.80

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Double scale
Find fourth proportional to 673,988,938.60, 1,010,983,407.90 and 559,103,204.20
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.