Home / 478,461,881.34-660,277,294.47-258,445,309.50

Finding the Fourth Proportional to 478,461,881.34, 660,277,294.47 and 258,445,309.50

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Solution

The fourth proportional to 478,461,881.34, 660,277,294.47 and 258,445,309.50 is: 356,654,472.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,461,881.34 : 660,277,294.47 = 258,445,309.50 : x
  2. Step 2: Convert to fraction form
    478,461,881.34/660,277,294.47 = 258,445,309.50/x
  3. Step 3: Cross multiply
    478,461,881.34x = 660,277,294.47 × 258,445,309.50
  4. Step 4: Simplify right side
    478,461,881.34x = 170,645,569,725,121,792
  5. Step 5: Solve for x
    x = 170,645,569,725,121,792/478,461,881.34
  6. Step 6: Final answer
    x = 356,654,472.13

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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.