Home / 960,779,165.40-1,438,298,966.70-572,402,082.60

Finding the Fourth Proportional to 960,779,165.40, 1,438,298,966.70 and 572,402,082.60

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Solution

The fourth proportional to 960,779,165.40, 1,438,298,966.70 and 572,402,082.60 is: 856,893,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,779,165.40 : 1,438,298,966.70 = 572,402,082.60 : x
  2. Step 2: Convert to fraction form
    960,779,165.40/1,438,298,966.70 = 572,402,082.60/x
  3. Step 3: Cross multiply
    960,779,165.40x = 1,438,298,966.70 × 572,402,082.60
  4. Step 4: Simplify right side
    960,779,165.40x = 823,285,323,940,508,160
  5. Step 5: Solve for x
    x = 823,285,323,940,508,160/960,779,165.40
  6. Step 6: Final answer
    x = 856,893,398.18

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1.5x scale

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.