Home / 666,251,640,158.04-919,427,263,417.98-381,110,160,254.04

Finding the Fourth Proportional to 666,251,640,158.04, 919,427,263,417.98 and 381,110,160,254.04

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Solution

The fourth proportional to 666,251,640,158.04, 919,427,263,417.98 and 381,110,160,254.04 is: 525,932,021,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,251,640,158.04 : 919,427,263,417.98 = 381,110,160,254.04 : x
  2. Step 2: Convert to fraction form
    666,251,640,158.04/919,427,263,417.98 = 381,110,160,254.04/x
  3. Step 3: Cross multiply
    666,251,640,158.04x = 919,427,263,417.98 × 381,110,160,254.04
  4. Step 4: Simplify right side
    666,251,640,158.04x = 350,403,071,703,159,761,010,688
  5. Step 5: Solve for x
    x = 350,403,071,703,159,761,010,688/666,251,640,158.04
  6. Step 6: Final answer
    x = 525,932,021,150.51

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1.5x scale

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.