Home / 1,425,606,089.96-2,137,971,512.59-985,774,809.35

Finding the Fourth Proportional to 1,425,606,089.96, 2,137,971,512.59 and 985,774,809.35

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Solution

The fourth proportional to 1,425,606,089.96, 2,137,971,512.59 and 985,774,809.35 is: 1,478,359,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,606,089.96 : 2,137,971,512.59 = 985,774,809.35 : x
  2. Step 2: Convert to fraction form
    1,425,606,089.96/2,137,971,512.59 = 985,774,809.35/x
  3. Step 3: Cross multiply
    1,425,606,089.96x = 2,137,971,512.59 × 985,774,809.35
  4. Step 4: Simplify right side
    1,425,606,089.96x = 2,107,558,460,219,138,304
  5. Step 5: Solve for x
    x = 2,107,558,460,219,138,304/1,425,606,089.96
  6. Step 6: Final answer
    x = 1,478,359,607.93

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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.