Home / 698,803,580,118.72-1,048,310,178,437.90-245,442,576,899.40

Finding the Fourth Proportional to 698,803,580,118.72, 1,048,310,178,437.90 and 245,442,576,899.40

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Solution

The fourth proportional to 698,803,580,118.72, 1,048,310,178,437.90 and 245,442,576,899.40 is: 368,200,677,423.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,803,580,118.72 : 1,048,310,178,437.90 = 245,442,576,899.40 : x
  2. Step 2: Convert to fraction form
    698,803,580,118.72/1,048,310,178,437.90 = 245,442,576,899.40/x
  3. Step 3: Cross multiply
    698,803,580,118.72x = 1,048,310,178,437.90 × 245,442,576,899.40
  4. Step 4: Simplify right side
    698,803,580,118.72x = 257,299,951,585,668,018,208,768
  5. Step 5: Solve for x
    x = 257,299,951,585,668,018,208,768/698,803,580,118.72
  6. Step 6: Final answer
    x = 368,200,677,423.48

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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.