Home / 860,402,879,822.34-1,187,460,092,001.10-489,696,429,720

Finding the Fourth Proportional to 860,402,879,822.34, 1,187,460,092,001.10 and 489,696,429,720

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Solution

The fourth proportional to 860,402,879,822.34, 1,187,460,092,001.10 and 489,696,429,720 is: 675,840,331,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,402,879,822.34 : 1,187,460,092,001.10 = 489,696,429,720 : x
  2. Step 2: Convert to fraction form
    860,402,879,822.34/1,187,460,092,001.10 = 489,696,429,720/x
  3. Step 3: Cross multiply
    860,402,879,822.34x = 1,187,460,092,001.10 × 489,696,429,720
  4. Step 4: Simplify right side
    860,402,879,822.34x = 581,494,967,487,921,473,454,080
  5. Step 5: Solve for x
    x = 581,494,967,487,921,473,454,080/860,402,879,822.34
  6. Step 6: Final answer
    x = 675,840,331,459.60

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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.