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Finding the Fourth Proportional to 1,864,807,608.81, 2,573,421,408.76 and 1,018,034,931.14

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Solution

The fourth proportional to 1,864,807,608.81, 2,573,421,408.76 and 1,018,034,931.14 is: 1,404,881,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,807,608.81 : 2,573,421,408.76 = 1,018,034,931.14 : x
  2. Step 2: Convert to fraction form
    1,864,807,608.81/2,573,421,408.76 = 1,018,034,931.14/x
  3. Step 3: Cross multiply
    1,864,807,608.81x = 2,573,421,408.76 × 1,018,034,931.14
  4. Step 4: Simplify right side
    1,864,807,608.81x = 2,619,832,886,661,188,608
  5. Step 5: Solve for x
    x = 2,619,832,886,661,188,608/1,864,807,608.81
  6. Step 6: Final answer
    x = 1,404,881,058.12

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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.