Home / 641,447,477.70-885,197,526.78-348,092,045.70

Finding the Fourth Proportional to 641,447,477.70, 885,197,526.78 and 348,092,045.70

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Solution

The fourth proportional to 641,447,477.70, 885,197,526.78 and 348,092,045.70 is: 480,367,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,447,477.70 : 885,197,526.78 = 348,092,045.70 : x
  2. Step 2: Convert to fraction form
    641,447,477.70/885,197,526.78 = 348,092,045.70/x
  3. Step 3: Cross multiply
    641,447,477.70x = 885,197,526.78 × 348,092,045.70
  4. Step 4: Simplify right side
    641,447,477.70x = 308,130,217,941,467,264
  5. Step 5: Solve for x
    x = 308,130,217,941,467,264/641,447,477.70
  6. Step 6: Final answer
    x = 480,367,027.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.