Home / 291,356,543.70-437,034,815.55-277,919,615.70

Finding the Fourth Proportional to 291,356,543.70, 437,034,815.55 and 277,919,615.70

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Solution

The fourth proportional to 291,356,543.70, 437,034,815.55 and 277,919,615.70 is: 416,879,423.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,356,543.70 : 437,034,815.55 = 277,919,615.70 : x
  2. Step 2: Convert to fraction form
    291,356,543.70/437,034,815.55 = 277,919,615.70/x
  3. Step 3: Cross multiply
    291,356,543.70x = 437,034,815.55 × 277,919,615.70
  4. Step 4: Simplify right side
    291,356,543.70x = 121,460,547,985,176,384
  5. Step 5: Solve for x
    x = 121,460,547,985,176,384/291,356,543.70
  6. Step 6: Final answer
    x = 416,879,423.55

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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.