Home / 1,172,681,120.80-1,759,021,681.20-897,182,106.40

Finding the Fourth Proportional to 1,172,681,120.80, 1,759,021,681.20 and 897,182,106.40

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Solution

The fourth proportional to 1,172,681,120.80, 1,759,021,681.20 and 897,182,106.40 is: 1,345,773,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,681,120.80 : 1,759,021,681.20 = 897,182,106.40 : x
  2. Step 2: Convert to fraction form
    1,172,681,120.80/1,759,021,681.20 = 897,182,106.40/x
  3. Step 3: Cross multiply
    1,172,681,120.80x = 1,759,021,681.20 × 897,182,106.40
  4. Step 4: Simplify right side
    1,172,681,120.80x = 1,578,162,777,142,285,312
  5. Step 5: Solve for x
    x = 1,578,162,777,142,285,312/1,172,681,120.80
  6. Step 6: Final answer
    x = 1,345,773,159.60

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1.5x scale

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.