Home / 779,288,471.63-1,075,417,751.04-422,056,264.67

Finding the Fourth Proportional to 779,288,471.63, 1,075,417,751.04 and 422,056,264.67

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Solution

The fourth proportional to 779,288,471.63, 1,075,417,751.04 and 422,056,264.67 is: 582,437,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,288,471.63 : 1,075,417,751.04 = 422,056,264.67 : x
  2. Step 2: Convert to fraction form
    779,288,471.63/1,075,417,751.04 = 422,056,264.67/x
  3. Step 3: Cross multiply
    779,288,471.63x = 1,075,417,751.04 × 422,056,264.67
  4. Step 4: Simplify right side
    779,288,471.63x = 453,886,798,963,754,432
  5. Step 5: Solve for x
    x = 453,886,798,963,754,432/779,288,471.63
  6. Step 6: Final answer
    x = 582,437,461.21

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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.