Home / 1,235,292,002.90-1,852,938,004.35-417,392,494.10

Finding the Fourth Proportional to 1,235,292,002.90, 1,852,938,004.35 and 417,392,494.10

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Solution

The fourth proportional to 1,235,292,002.90, 1,852,938,004.35 and 417,392,494.10 is: 626,088,741.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,292,002.90 : 1,852,938,004.35 = 417,392,494.10 : x
  2. Step 2: Convert to fraction form
    1,235,292,002.90/1,852,938,004.35 = 417,392,494.10/x
  3. Step 3: Cross multiply
    1,235,292,002.90x = 1,852,938,004.35 × 417,392,494.10
  4. Step 4: Simplify right side
    1,235,292,002.90x = 773,402,415,048,323,200
  5. Step 5: Solve for x
    x = 773,402,415,048,323,200/1,235,292,002.90
  6. Step 6: Final answer
    x = 626,088,741.15

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1.5x scale

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.