Home / 1,069,709,531.40-1,604,564,297.10-977,876,526.60

Finding the Fourth Proportional to 1,069,709,531.40, 1,604,564,297.10 and 977,876,526.60

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Solution

The fourth proportional to 1,069,709,531.40, 1,604,564,297.10 and 977,876,526.60 is: 1,466,814,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,709,531.40 : 1,604,564,297.10 = 977,876,526.60 : x
  2. Step 2: Convert to fraction form
    1,069,709,531.40/1,604,564,297.10 = 977,876,526.60/x
  3. Step 3: Cross multiply
    1,069,709,531.40x = 1,604,564,297.10 × 977,876,526.60
  4. Step 4: Simplify right side
    1,069,709,531.40x = 1,569,065,761,554,518,272
  5. Step 5: Solve for x
    x = 1,569,065,761,554,518,272/1,069,709,531.40
  6. Step 6: Final answer
    x = 1,466,814,789.90

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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.