Home / 960,779,228.40-1,438,299,061.20-572,402,145.60

Finding the Fourth Proportional to 960,779,228.40, 1,438,299,061.20 and 572,402,145.60

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Solution

The fourth proportional to 960,779,228.40, 1,438,299,061.20 and 572,402,145.60 is: 856,893,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,779,228.40 : 1,438,299,061.20 = 572,402,145.60 : x
  2. Step 2: Convert to fraction form
    960,779,228.40/1,438,299,061.20 = 572,402,145.60/x
  3. Step 3: Cross multiply
    960,779,228.40x = 1,438,299,061.20 × 572,402,145.60
  4. Step 4: Simplify right side
    960,779,228.40x = 823,285,468,645,345,792
  5. Step 5: Solve for x
    x = 823,285,468,645,345,792/960,779,228.40
  6. Step 6: Final answer
    x = 856,893,492.60

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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.