Home / 15,377,260,809,565-21,220,640,931,282-8,345,859,065,533.40

Finding the Fourth Proportional to 15,377,260,809,565, 21,220,640,931,282 and 8,345,859,065,533.40

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Solution

The fourth proportional to 15,377,260,809,565, 21,220,640,931,282 and 8,345,859,065,533.40 is: 11,517,296,915,625.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,377,260,809,565 : 21,220,640,931,282 = 8,345,859,065,533.40 : x
  2. Step 2: Convert to fraction form
    15,377,260,809,565/21,220,640,931,282 = 8,345,859,065,533.40/x
  3. Step 3: Cross multiply
    15,377,260,809,565x = 21,220,640,931,282 × 8,345,859,065,533.40
  4. Step 4: Simplify right side
    15,377,260,809,565x = 177,104,478,492,769,013,957,918,720
  5. Step 5: Solve for x
    x = 177,104,478,492,769,013,957,918,720/15,377,260,809,565
  6. Step 6: Final answer
    x = 11,517,296,915,625.31

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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.