Home / 1,034,390,747.40-1,551,582,038.70-307,379,459.40

Finding the Fourth Proportional to 1,034,390,747.40, 1,551,582,038.70 and 307,379,459.40

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Solution

The fourth proportional to 1,034,390,747.40, 1,551,582,038.70 and 307,379,459.40 is: 461,067,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,390,747.40 : 1,551,582,038.70 = 307,379,459.40 : x
  2. Step 2: Convert to fraction form
    1,034,390,747.40/1,551,582,038.70 = 307,379,459.40/x
  3. Step 3: Cross multiply
    1,034,390,747.40x = 1,551,582,038.70 × 307,379,459.40
  4. Step 4: Simplify right side
    1,034,390,747.40x = 476,924,448,270,355,840
  5. Step 5: Solve for x
    x = 476,924,448,270,355,840/1,034,390,747.40
  6. Step 6: Final answer
    x = 461,067,975.97

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Double scale
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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.