Home / 942,998,444.94-1,301,279,219.05-519,588,411.69

Finding the Fourth Proportional to 942,998,444.94, 1,301,279,219.05 and 519,588,411.69

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Solution

The fourth proportional to 942,998,444.94, 1,301,279,219.05 and 519,588,411.69 is: 716,999,700.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,998,444.94 : 1,301,279,219.05 = 519,588,411.69 : x
  2. Step 2: Convert to fraction form
    942,998,444.94/1,301,279,219.05 = 519,588,411.69/x
  3. Step 3: Cross multiply
    942,998,444.94x = 1,301,279,219.05 × 519,588,411.69
  4. Step 4: Simplify right side
    942,998,444.94x = 676,129,602,586,913,920
  5. Step 5: Solve for x
    x = 676,129,602,586,913,920/942,998,444.94
  6. Step 6: Final answer
    x = 716,999,700.49

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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.