Home / 373,249,643.40-560,154,401.10-191,403,217.80

Finding the Fourth Proportional to 373,249,643.40, 560,154,401.10 and 191,403,217.80

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Solution

The fourth proportional to 373,249,643.40, 560,154,401.10 and 191,403,217.80 is: 287,248,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,249,643.40 : 560,154,401.10 = 191,403,217.80 : x
  2. Step 2: Convert to fraction form
    373,249,643.40/560,154,401.10 = 191,403,217.80/x
  3. Step 3: Cross multiply
    373,249,643.40x = 560,154,401.10 × 191,403,217.80
  4. Step 4: Simplify right side
    373,249,643.40x = 107,215,354,835,371,872
  5. Step 5: Solve for x
    x = 107,215,354,835,371,872/373,249,643.40
  6. Step 6: Final answer
    x = 287,248,378.48

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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.