Home / 1,011,021,721,400.50-1,395,209,638,870.10-554,270,398,496.28

Finding the Fourth Proportional to 1,011,021,721,400.50, 1,395,209,638,870.10 and 554,270,398,496.28

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Solution

The fourth proportional to 1,011,021,721,400.50, 1,395,209,638,870.10 and 554,270,398,496.28 is: 764,892,965,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,021,721,400.50 : 1,395,209,638,870.10 = 554,270,398,496.28 : x
  2. Step 2: Convert to fraction form
    1,011,021,721,400.50/1,395,209,638,870.10 = 554,270,398,496.28/x
  3. Step 3: Cross multiply
    1,011,021,721,400.50x = 1,395,209,638,870.10 × 554,270,398,496.28
  4. Step 4: Simplify right side
    1,011,021,721,400.50x = 773,323,402,522,381,369,999,360
  5. Step 5: Solve for x
    x = 773,323,402,522,381,369,999,360/1,011,021,721,400.50
  6. Step 6: Final answer
    x = 764,892,965,357.01

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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.