Home / 1,249,052,464.80-1,872,235,004.40-472,398,026.40

Finding the Fourth Proportional to 1,249,052,464.80, 1,872,235,004.40 and 472,398,026.40

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Solution

The fourth proportional to 1,249,052,464.80, 1,872,235,004.40 and 472,398,026.40 is: 708,088,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,052,464.80 : 1,872,235,004.40 = 472,398,026.40 : x
  2. Step 2: Convert to fraction form
    1,249,052,464.80/1,872,235,004.40 = 472,398,026.40/x
  3. Step 3: Cross multiply
    1,249,052,464.80x = 1,872,235,004.40 × 472,398,026.40
  4. Step 4: Simplify right side
    1,249,052,464.80x = 884,440,121,035,555,328
  5. Step 5: Solve for x
    x = 884,440,121,035,555,328/1,249,052,464.80
  6. Step 6: Final answer
    x = 708,088,848.12

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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.