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Finding the Fourth Proportional to 559,872,075.20, 839,808,112.80 and 488,208,459.20

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Solution

The fourth proportional to 559,872,075.20, 839,808,112.80 and 488,208,459.20 is: 732,312,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,872,075.20 : 839,808,112.80 = 488,208,459.20 : x
  2. Step 2: Convert to fraction form
    559,872,075.20/839,808,112.80 = 488,208,459.20/x
  3. Step 3: Cross multiply
    559,872,075.20x = 839,808,112.80 × 488,208,459.20
  4. Step 4: Simplify right side
    559,872,075.20x = 410,001,424,773,747,776
  5. Step 5: Solve for x
    x = 410,001,424,773,747,776/559,872,075.20
  6. Step 6: Final answer
    x = 732,312,688.80

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