Home / 3,137,897,088.80-4,330,209,536.34-1,708,935,941.76

Finding the Fourth Proportional to 3,137,897,088.80, 4,330,209,536.34 and 1,708,935,941.76

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Solution

The fourth proportional to 3,137,897,088.80, 4,330,209,536.34 and 1,708,935,941.76 is: 2,358,283,430.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137,897,088.80 : 4,330,209,536.34 = 1,708,935,941.76 : x
  2. Step 2: Convert to fraction form
    3,137,897,088.80/4,330,209,536.34 = 1,708,935,941.76/x
  3. Step 3: Cross multiply
    3,137,897,088.80x = 4,330,209,536.34 × 1,708,935,941.76
  4. Step 4: Simplify right side
    3,137,897,088.80x = 7,400,050,712,003,331,072
  5. Step 5: Solve for x
    x = 7,400,050,712,003,331,072/3,137,897,088.80
  6. Step 6: Final answer
    x = 2,358,283,430.78

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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.