Home / 877,241,477.60-1,315,862,216.40-739,491,970.40

Finding the Fourth Proportional to 877,241,477.60, 1,315,862,216.40 and 739,491,970.40

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Solution

The fourth proportional to 877,241,477.60, 1,315,862,216.40 and 739,491,970.40 is: 1,109,237,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,241,477.60 : 1,315,862,216.40 = 739,491,970.40 : x
  2. Step 2: Convert to fraction form
    877,241,477.60/1,315,862,216.40 = 739,491,970.40/x
  3. Step 3: Cross multiply
    877,241,477.60x = 1,315,862,216.40 × 739,491,970.40
  4. Step 4: Simplify right side
    877,241,477.60x = 973,069,543,180,547,200
  5. Step 5: Solve for x
    x = 973,069,543,180,547,200/877,241,477.60
  6. Step 6: Final answer
    x = 1,109,237,955.60

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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.