Home / 800,386,510.17-1,104,567,903.99-443,154,283.77

Finding the Fourth Proportional to 800,386,510.17, 1,104,567,903.99 and 443,154,283.77

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Solution

The fourth proportional to 800,386,510.17, 1,104,567,903.99 and 443,154,283.77 is: 611,572,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,386,510.17 : 1,104,567,903.99 = 443,154,283.77 : x
  2. Step 2: Convert to fraction form
    800,386,510.17/1,104,567,903.99 = 443,154,283.77/x
  3. Step 3: Cross multiply
    800,386,510.17x = 1,104,567,903.99 × 443,154,283.77
  4. Step 4: Simplify right side
    800,386,510.17x = 489,493,998,368,018,560
  5. Step 5: Solve for x
    x = 489,493,998,368,018,560/800,386,510.17
  6. Step 6: Final answer
    x = 611,572,024.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.