Home / 942,767,470.12-1,301,059,655.96-525,079,941.16

Finding the Fourth Proportional to 942,767,470.12, 1,301,059,655.96 and 525,079,941.16

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Solution

The fourth proportional to 942,767,470.12, 1,301,059,655.96 and 525,079,941.16 is: 724,632,901.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,767,470.12 : 1,301,059,655.96 = 525,079,941.16 : x
  2. Step 2: Convert to fraction form
    942,767,470.12/1,301,059,655.96 = 525,079,941.16/x
  3. Step 3: Cross multiply
    942,767,470.12x = 1,301,059,655.96 × 525,079,941.16
  4. Step 4: Simplify right side
    942,767,470.12x = 683,160,327,597,126,656
  5. Step 5: Solve for x
    x = 683,160,327,597,126,656/942,767,470.12
  6. Step 6: Final answer
    x = 724,632,901.80

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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.