Home / 992,877,415.40-1,489,316,123.10-885,738,909.80

Finding the Fourth Proportional to 992,877,415.40, 1,489,316,123.10 and 885,738,909.80

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Solution

The fourth proportional to 992,877,415.40, 1,489,316,123.10 and 885,738,909.80 is: 1,328,608,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,877,415.40 : 1,489,316,123.10 = 885,738,909.80 : x
  2. Step 2: Convert to fraction form
    992,877,415.40/1,489,316,123.10 = 885,738,909.80/x
  3. Step 3: Cross multiply
    992,877,415.40x = 1,489,316,123.10 × 885,738,909.80
  4. Step 4: Simplify right side
    992,877,415.40x = 1,319,145,239,222,156,544
  5. Step 5: Solve for x
    x = 1,319,145,239,222,156,544/992,877,415.40
  6. Step 6: Final answer
    x = 1,328,608,364.70

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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.