Home / 12,745,842,341.80-19,118,763,512.70-7,235,862,053.80

Finding the Fourth Proportional to 12,745,842,341.80, 19,118,763,512.70 and 7,235,862,053.80

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Solution

The fourth proportional to 12,745,842,341.80, 19,118,763,512.70 and 7,235,862,053.80 is: 10,853,793,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745,842,341.80 : 19,118,763,512.70 = 7,235,862,053.80 : x
  2. Step 2: Convert to fraction form
    12,745,842,341.80/19,118,763,512.70 = 7,235,862,053.80/x
  3. Step 3: Cross multiply
    12,745,842,341.80x = 19,118,763,512.70 × 7,235,862,053.80
  4. Step 4: Simplify right side
    12,745,842,341.80x = 138,340,735,417,121,931,264
  5. Step 5: Solve for x
    x = 138,340,735,417,121,931,264/12,745,842,341.80
  6. Step 6: Final answer
    x = 10,853,793,080.70

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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.