Home / 847,938,780.51-1,271,908,632.11-265,718,592.96

Finding the Fourth Proportional to 847,938,780.51, 1,271,908,632.11 and 265,718,592.96

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Solution

The fourth proportional to 847,938,780.51, 1,271,908,632.11 and 265,718,592.96 is: 398,578,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,938,780.51 : 1,271,908,632.11 = 265,718,592.96 : x
  2. Step 2: Convert to fraction form
    847,938,780.51/1,271,908,632.11 = 265,718,592.96/x
  3. Step 3: Cross multiply
    847,938,780.51x = 1,271,908,632.11 × 265,718,592.96
  4. Step 4: Simplify right side
    847,938,780.51x = 337,969,772,091,849,216
  5. Step 5: Solve for x
    x = 337,969,772,091,849,216/847,938,780.51
  6. Step 6: Final answer
    x = 398,578,034.01

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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.