Home / 718,616,534.40-1,075,909,262.40-698,461,142.40

Finding the Fourth Proportional to 718,616,534.40, 1,075,909,262.40 and 698,461,142.40

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Solution

The fourth proportional to 718,616,534.40, 1,075,909,262.40 and 698,461,142.40 is: 1,045,732,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,616,534.40 : 1,075,909,262.40 = 698,461,142.40 : x
  2. Step 2: Convert to fraction form
    718,616,534.40/1,075,909,262.40 = 698,461,142.40/x
  3. Step 3: Cross multiply
    718,616,534.40x = 1,075,909,262.40 × 698,461,142.40
  4. Step 4: Simplify right side
    718,616,534.40x = 751,480,812,534,645,376
  5. Step 5: Solve for x
    x = 751,480,812,534,645,376/718,616,534.40
  6. Step 6: Final answer
    x = 1,045,732,705.22

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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.