Home / 1,241,567,900.70-1,861,680,004.65-514,630,095.90

Finding the Fourth Proportional to 1,241,567,900.70, 1,861,680,004.65 and 514,630,095.90

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Solution

The fourth proportional to 1,241,567,900.70, 1,861,680,004.65 and 514,630,095.90 is: 771,666,663.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,241,567,900.70 : 1,861,680,004.65 = 514,630,095.90 : x
  2. Step 2: Convert to fraction form
    1,241,567,900.70/1,861,680,004.65 = 514,630,095.90/x
  3. Step 3: Cross multiply
    1,241,567,900.70x = 1,861,680,004.65 × 514,630,095.90
  4. Step 4: Simplify right side
    1,241,567,900.70x = 958,076,559,328,141,952
  5. Step 5: Solve for x
    x = 958,076,559,328,141,952/1,241,567,900.70
  6. Step 6: Final answer
    x = 771,666,663.41

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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.