Home / 390,353,981,658.16-585,223,025,885.82-246,630,070,641.35

Finding the Fourth Proportional to 390,353,981,658.16, 585,223,025,885.82 and 246,630,070,641.35

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Solution

The fourth proportional to 390,353,981,658.16, 585,223,025,885.82 and 246,630,070,641.35 is: 369,750,541,808.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,353,981,658.16 : 585,223,025,885.82 = 246,630,070,641.35 : x
  2. Step 2: Convert to fraction form
    390,353,981,658.16/585,223,025,885.82 = 246,630,070,641.35/x
  3. Step 3: Cross multiply
    390,353,981,658.16x = 585,223,025,885.82 × 246,630,070,641.35
  4. Step 4: Simplify right side
    390,353,981,658.16x = 144,333,596,215,164,369,108,992
  5. Step 5: Solve for x
    x = 144,333,596,215,164,369,108,992/390,353,981,658.16
  6. Step 6: Final answer
    x = 369,750,541,808.38

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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.