Home / 1,398,528,026.60-2,097,792,039.90-753,555,482.60

Finding the Fourth Proportional to 1,398,528,026.60, 2,097,792,039.90 and 753,555,482.60

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Solution

The fourth proportional to 1,398,528,026.60, 2,097,792,039.90 and 753,555,482.60 is: 1,130,333,223.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,528,026.60 : 2,097,792,039.90 = 753,555,482.60 : x
  2. Step 2: Convert to fraction form
    1,398,528,026.60/2,097,792,039.90 = 753,555,482.60/x
  3. Step 3: Cross multiply
    1,398,528,026.60x = 2,097,792,039.90 × 753,555,482.60
  4. Step 4: Simplify right side
    1,398,528,026.60x = 1,580,802,693,021,283,072
  5. Step 5: Solve for x
    x = 1,580,802,693,021,283,072/1,398,528,026.60
  6. Step 6: Final answer
    x = 1,130,333,223.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.