Home / 280,492,830.90-420,739,246.35-232,717,086.90

Finding the Fourth Proportional to 280,492,830.90, 420,739,246.35 and 232,717,086.90

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Solution

The fourth proportional to 280,492,830.90, 420,739,246.35 and 232,717,086.90 is: 349,075,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,492,830.90 : 420,739,246.35 = 232,717,086.90 : x
  2. Step 2: Convert to fraction form
    280,492,830.90/420,739,246.35 = 232,717,086.90/x
  3. Step 3: Cross multiply
    280,492,830.90x = 420,739,246.35 × 232,717,086.90
  4. Step 4: Simplify right side
    280,492,830.90x = 97,913,211,755,073,472
  5. Step 5: Solve for x
    x = 97,913,211,755,073,472/280,492,830.90
  6. Step 6: Final answer
    x = 349,075,630.35

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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.