Home / 1,402,442,091.90-1,935,199,958.31-807,919,045.20

Finding the Fourth Proportional to 1,402,442,091.90, 1,935,199,958.31 and 807,919,045.20

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Solution

The fourth proportional to 1,402,442,091.90, 1,935,199,958.31 and 807,919,045.20 is: 1,114,830,274.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,442,091.90 : 1,935,199,958.31 = 807,919,045.20 : x
  2. Step 2: Convert to fraction form
    1,402,442,091.90/1,935,199,958.31 = 807,919,045.20/x
  3. Step 3: Cross multiply
    1,402,442,091.90x = 1,935,199,958.31 × 807,919,045.20
  4. Step 4: Simplify right side
    1,402,442,091.90x = 1,563,484,902,588,894,976
  5. Step 5: Solve for x
    x = 1,563,484,902,588,894,976/1,402,442,091.90
  6. Step 6: Final answer
    x = 1,114,830,274.72

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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.