Home / 931,843,020,931.10-1,396,528,886,194.40-478,543,612,812.38

Finding the Fourth Proportional to 931,843,020,931.10, 1,396,528,886,194.40 and 478,543,612,812.38

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Solution

The fourth proportional to 931,843,020,931.10, 1,396,528,886,194.40 and 478,543,612,812.38 is: 717,180,859,420.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,843,020,931.10 : 1,396,528,886,194.40 = 478,543,612,812.38 : x
  2. Step 2: Convert to fraction form
    931,843,020,931.10/1,396,528,886,194.40 = 478,543,612,812.38/x
  3. Step 3: Cross multiply
    931,843,020,931.10x = 1,396,528,886,194.40 × 478,543,612,812.38
  4. Step 4: Simplify right side
    931,843,020,931.10x = 668,299,978,596,317,258,579,968
  5. Step 5: Solve for x
    x = 668,299,978,596,317,258,579,968/931,843,020,931.10
  6. Step 6: Final answer
    x = 717,180,859,420.45

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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.