Home / 1,137,134,308.35-1,569,326,549.02-628,486,079.34

Finding the Fourth Proportional to 1,137,134,308.35, 1,569,326,549.02 and 628,486,079.34

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Solution

The fourth proportional to 1,137,134,308.35, 1,569,326,549.02 and 628,486,079.34 is: 867,355,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,134,308.35 : 1,569,326,549.02 = 628,486,079.34 : x
  2. Step 2: Convert to fraction form
    1,137,134,308.35/1,569,326,549.02 = 628,486,079.34/x
  3. Step 3: Cross multiply
    1,137,134,308.35x = 1,569,326,549.02 × 628,486,079.34
  4. Step 4: Simplify right side
    1,137,134,308.35x = 986,299,889,990,295,808
  5. Step 5: Solve for x
    x = 986,299,889,990,295,808/1,137,134,308.35
  6. Step 6: Final answer
    x = 867,355,670.08

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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.