Home / 390,353,981,658.67-585,223,025,886.55-246,630,070,641.85

Finding the Fourth Proportional to 390,353,981,658.67, 585,223,025,886.55 and 246,630,070,641.85

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Solution

The fourth proportional to 390,353,981,658.67, 585,223,025,886.55 and 246,630,070,641.85 is: 369,750,541,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,353,981,658.67 : 585,223,025,886.55 = 246,630,070,641.85 : x
  2. Step 2: Convert to fraction form
    390,353,981,658.67/585,223,025,886.55 = 246,630,070,641.85/x
  3. Step 3: Cross multiply
    390,353,981,658.67x = 585,223,025,886.55 × 246,630,070,641.85
  4. Step 4: Simplify right side
    390,353,981,658.67x = 144,333,596,215,637,050,392,576
  5. Step 5: Solve for x
    x = 144,333,596,215,637,050,392,576/390,353,981,658.67
  6. Step 6: Final answer
    x = 369,750,541,809.11

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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.