Home / 742,176,537.60-1,113,264,806.40-699,850,214.40

Finding the Fourth Proportional to 742,176,537.60, 1,113,264,806.40 and 699,850,214.40

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Solution

The fourth proportional to 742,176,537.60, 1,113,264,806.40 and 699,850,214.40 is: 1,049,775,321.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,176,537.60 : 1,113,264,806.40 = 699,850,214.40 : x
  2. Step 2: Convert to fraction form
    742,176,537.60/1,113,264,806.40 = 699,850,214.40/x
  3. Step 3: Cross multiply
    742,176,537.60x = 1,113,264,806.40 × 699,850,214.40
  4. Step 4: Simplify right side
    742,176,537.60x = 779,118,613,443,014,528
  5. Step 5: Solve for x
    x = 779,118,613,443,014,528/742,176,537.60
  6. Step 6: Final answer
    x = 1,049,775,321.60

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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.