Home / 1,821,402,268.51-2,513,535,972.77-986,026,840.02

Finding the Fourth Proportional to 1,821,402,268.51, 2,513,535,972.77 and 986,026,840.02

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Solution

The fourth proportional to 1,821,402,268.51, 2,513,535,972.77 and 986,026,840.02 is: 1,360,717,495.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,402,268.51 : 2,513,535,972.77 = 986,026,840.02 : x
  2. Step 2: Convert to fraction form
    1,821,402,268.51/2,513,535,972.77 = 986,026,840.02/x
  3. Step 3: Cross multiply
    1,821,402,268.51x = 2,513,535,972.77 × 986,026,840.02
  4. Step 4: Simplify right side
    1,821,402,268.51x = 2,478,413,932,506,999,808
  5. Step 5: Solve for x
    x = 2,478,413,932,506,999,808/1,821,402,268.51
  6. Step 6: Final answer
    x = 1,360,717,495.17

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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.