Home / 527,371,831.95-790,980,745.87-153,779,327.07

Finding the Fourth Proportional to 527,371,831.95, 790,980,745.87 and 153,779,327.07

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Solution

The fourth proportional to 527,371,831.95, 790,980,745.87 and 153,779,327.07 is: 230,646,537.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,371,831.95 : 790,980,745.87 = 153,779,327.07 : x
  2. Step 2: Convert to fraction form
    527,371,831.95/790,980,745.87 = 153,779,327.07/x
  3. Step 3: Cross multiply
    527,371,831.95x = 790,980,745.87 × 153,779,327.07
  4. Step 4: Simplify right side
    527,371,831.95x = 121,636,486,825,215,280
  5. Step 5: Solve for x
    x = 121,636,486,825,215,280/527,371,831.95
  6. Step 6: Final answer
    x = 230,646,537.14

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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.