Home / 1,048,880,619.71-1,447,450,208.48-578,977,830.30

Finding the Fourth Proportional to 1,048,880,619.71, 1,447,450,208.48 and 578,977,830.30

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Solution

The fourth proportional to 1,048,880,619.71, 1,447,450,208.48 and 578,977,830.30 is: 798,986,620.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,880,619.71 : 1,447,450,208.48 = 578,977,830.30 : x
  2. Step 2: Convert to fraction form
    1,048,880,619.71/1,447,450,208.48 = 578,977,830.30/x
  3. Step 3: Cross multiply
    1,048,880,619.71x = 1,447,450,208.48 × 578,977,830.30
  4. Step 4: Simplify right side
    1,048,880,619.71x = 838,041,581,176,666,240
  5. Step 5: Solve for x
    x = 838,041,581,176,666,240/1,048,880,619.71
  6. Step 6: Final answer
    x = 798,986,620.05

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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.