Home / 970,376,804.73-1,455,032,160.14-478,006,705.53

Finding the Fourth Proportional to 970,376,804.73, 1,455,032,160.14 and 478,006,705.53

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Solution

The fourth proportional to 970,376,804.73, 1,455,032,160.14 and 478,006,705.53 is: 716,747,479.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,376,804.73 : 1,455,032,160.14 = 478,006,705.53 : x
  2. Step 2: Convert to fraction form
    970,376,804.73/1,455,032,160.14 = 478,006,705.53/x
  3. Step 3: Cross multiply
    970,376,804.73x = 1,455,032,160.14 × 478,006,705.53
  4. Step 4: Simplify right side
    970,376,804.73x = 695,515,129,306,330,752
  5. Step 5: Solve for x
    x = 695,515,129,306,330,752/970,376,804.73
  6. Step 6: Final answer
    x = 716,747,479.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.