Home / 56,428,163,043.16-77,870,877,710.25-31,053,634,374.94

Finding the Fourth Proportional to 56,428,163,043.16, 77,870,877,710.25 and 31,053,634,374.94

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Solution

The fourth proportional to 56,428,163,043.16, 77,870,877,710.25 and 31,053,634,374.94 is: 42,854,022,432.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,428,163,043.16 : 77,870,877,710.25 = 31,053,634,374.94 : x
  2. Step 2: Convert to fraction form
    56,428,163,043.16/77,870,877,710.25 = 31,053,634,374.94/x
  3. Step 3: Cross multiply
    56,428,163,043.16x = 77,870,877,710.25 × 31,053,634,374.94
  4. Step 4: Simplify right side
    56,428,163,043.16x = 2,418,173,764,869,768,085,504
  5. Step 5: Solve for x
    x = 2,418,173,764,869,768,085,504/56,428,163,043.16
  6. Step 6: Final answer
    x = 42,854,022,432.38

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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.