Home / 779,769,703.89-1,075,963,175.46-440,554,407.53

Finding the Fourth Proportional to 779,769,703.89, 1,075,963,175.46 and 440,554,407.53

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Solution

The fourth proportional to 779,769,703.89, 1,075,963,175.46 and 440,554,407.53 is: 607,897,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,769,703.89 : 1,075,963,175.46 = 440,554,407.53 : x
  2. Step 2: Convert to fraction form
    779,769,703.89/1,075,963,175.46 = 440,554,407.53/x
  3. Step 3: Cross multiply
    779,769,703.89x = 1,075,963,175.46 × 440,554,407.53
  4. Step 4: Simplify right side
    779,769,703.89x = 474,020,319,283,497,920
  5. Step 5: Solve for x
    x = 474,020,319,283,497,920/779,769,703.89
  6. Step 6: Final answer
    x = 607,897,840.76

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1.5x scale

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.