Home / 4,290,658,641.30-6,432,514,827.81-1,341,420,168.78

Finding the Fourth Proportional to 4,290,658,641.30, 6,432,514,827.81 and 1,341,420,168.78

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Solution

The fourth proportional to 4,290,658,641.30, 6,432,514,827.81 and 1,341,420,168.78 is: 2,011,044,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,658,641.30 : 6,432,514,827.81 = 1,341,420,168.78 : x
  2. Step 2: Convert to fraction form
    4,290,658,641.30/6,432,514,827.81 = 1,341,420,168.78/x
  3. Step 3: Cross multiply
    4,290,658,641.30x = 6,432,514,827.81 × 1,341,420,168.78
  4. Step 4: Simplify right side
    4,290,658,641.30x = 8,628,705,126,000,743,424
  5. Step 5: Solve for x
    x = 8,628,705,126,000,743,424/4,290,658,641.30
  6. Step 6: Final answer
    x = 2,011,044,421.70

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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.