Home / 936,967,364.10-1,293,015,085.02-519,306,613.74

Finding the Fourth Proportional to 936,967,364.10, 1,293,015,085.02 and 519,306,613.74

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Solution

The fourth proportional to 936,967,364.10, 1,293,015,085.02 and 519,306,613.74 is: 716,643,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,967,364.10 : 1,293,015,085.02 = 519,306,613.74 : x
  2. Step 2: Convert to fraction form
    936,967,364.10/1,293,015,085.02 = 519,306,613.74/x
  3. Step 3: Cross multiply
    936,967,364.10x = 1,293,015,085.02 × 519,306,613.74
  4. Step 4: Simplify right side
    936,967,364.10x = 671,471,285,316,474,368
  5. Step 5: Solve for x
    x = 671,471,285,316,474,368/936,967,364.10
  6. Step 6: Final answer
    x = 716,643,194.89

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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.