Home / 912,384,001.60-1,368,576,002.40-549,586,945.60

Finding the Fourth Proportional to 912,384,001.60, 1,368,576,002.40 and 549,586,945.60

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Solution

The fourth proportional to 912,384,001.60, 1,368,576,002.40 and 549,586,945.60 is: 824,380,418.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,384,001.60 : 1,368,576,002.40 = 549,586,945.60 : x
  2. Step 2: Convert to fraction form
    912,384,001.60/1,368,576,002.40 = 549,586,945.60/x
  3. Step 3: Cross multiply
    912,384,001.60x = 1,368,576,002.40 × 549,586,945.60
  4. Step 4: Simplify right side
    912,384,001.60x = 752,151,504,980,474,368
  5. Step 5: Solve for x
    x = 752,151,504,980,474,368/912,384,001.60
  6. Step 6: Final answer
    x = 824,380,418.40

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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.