Home / 830,716,951.89-1,146,742,378.47-517,605,867.75

Finding the Fourth Proportional to 830,716,951.89, 1,146,742,378.47 and 517,605,867.75

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Solution

The fourth proportional to 830,716,951.89, 1,146,742,378.47 and 517,605,867.75 is: 714,516,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,716,951.89 : 1,146,742,378.47 = 517,605,867.75 : x
  2. Step 2: Convert to fraction form
    830,716,951.89/1,146,742,378.47 = 517,605,867.75/x
  3. Step 3: Cross multiply
    830,716,951.89x = 1,146,742,378.47 × 517,605,867.75
  4. Step 4: Simplify right side
    830,716,951.89x = 593,560,583,893,663,232
  5. Step 5: Solve for x
    x = 593,560,583,893,663,232/830,716,951.89
  6. Step 6: Final answer
    x = 714,516,036.47

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Double scale
Find fourth proportional to 830,716,952.89, 1,146,742,379.85 and 517,605,868.75
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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.