Home / 1,145,848,528.84-1,717,549,086.78-653,501,655.88

Finding the Fourth Proportional to 1,145,848,528.84, 1,717,549,086.78 and 653,501,655.88

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Solution

The fourth proportional to 1,145,848,528.84, 1,717,549,086.78 and 653,501,655.88 is: 979,554,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,848,528.84 : 1,717,549,086.78 = 653,501,655.88 : x
  2. Step 2: Convert to fraction form
    1,145,848,528.84/1,717,549,086.78 = 653,501,655.88/x
  3. Step 3: Cross multiply
    1,145,848,528.84x = 1,717,549,086.78 × 653,501,655.88
  4. Step 4: Simplify right side
    1,145,848,528.84x = 1,122,421,172,265,911,808
  5. Step 5: Solve for x
    x = 1,122,421,172,265,911,808/1,145,848,528.84
  6. Step 6: Final answer
    x = 979,554,578.13

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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.