Home / 1,112,960,977,075.40-1,668,485,333,531.10-386,797,963,582.01

Finding the Fourth Proportional to 1,112,960,977,075.40, 1,668,485,333,531.10 and 386,797,963,582.01

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Solution

The fourth proportional to 1,112,960,977,075.40, 1,668,485,333,531.10 and 386,797,963,582.01 is: 579,864,651,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,960,977,075.40 : 1,668,485,333,531.10 = 386,797,963,582.01 : x
  2. Step 2: Convert to fraction form
    1,112,960,977,075.40/1,668,485,333,531.10 = 386,797,963,582.01/x
  3. Step 3: Cross multiply
    1,112,960,977,075.40x = 1,668,485,333,531.10 × 386,797,963,582.01
  4. Step 4: Simplify right side
    1,112,960,977,075.40x = 645,366,729,276,280,291,721,216
  5. Step 5: Solve for x
    x = 645,366,729,276,280,291,721,216/1,112,960,977,075.40
  6. Step 6: Final answer
    x = 579,864,651,653.96

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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.