Home / 1,738,249,638.40-2,607,374,457.60-921,956,262.40

Finding the Fourth Proportional to 1,738,249,638.40, 2,607,374,457.60 and 921,956,262.40

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Solution

The fourth proportional to 1,738,249,638.40, 2,607,374,457.60 and 921,956,262.40 is: 1,382,934,393.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738,249,638.40 : 2,607,374,457.60 = 921,956,262.40 : x
  2. Step 2: Convert to fraction form
    1,738,249,638.40/2,607,374,457.60 = 921,956,262.40/x
  3. Step 3: Cross multiply
    1,738,249,638.40x = 2,607,374,457.60 × 921,956,262.40
  4. Step 4: Simplify right side
    1,738,249,638.40x = 2,403,885,209,606,123,008
  5. Step 5: Solve for x
    x = 2,403,885,209,606,123,008/1,738,249,638.40
  6. Step 6: Final answer
    x = 1,382,934,393.60

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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.