Home / 430,070,472,021.85-645,105,708,032.80-430,070,472,021.85

Finding the Fourth Proportional to 430,070,472,021.85, 645,105,708,032.80 and 430,070,472,021.85

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Solution

The fourth proportional to 430,070,472,021.85, 645,105,708,032.80 and 430,070,472,021.85 is: 645,105,708,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,070,472,021.85 : 645,105,708,032.80 = 430,070,472,021.85 : x
  2. Step 2: Convert to fraction form
    430,070,472,021.85/645,105,708,032.80 = 430,070,472,021.85/x
  3. Step 3: Cross multiply
    430,070,472,021.85x = 645,105,708,032.80 × 430,070,472,021.85
  4. Step 4: Simplify right side
    430,070,472,021.85x = 277,440,916,357,656,065,605,632
  5. Step 5: Solve for x
    x = 277,440,916,357,656,065,605,632/430,070,472,021.85
  6. Step 6: Final answer
    x = 645,105,708,032.80

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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.