Home / 289,615,663,823.60-434,423,495,735.40-289,615,663,823.60

Finding the Fourth Proportional to 289,615,663,823.60, 434,423,495,735.40 and 289,615,663,823.60

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Solution

The fourth proportional to 289,615,663,823.60, 434,423,495,735.40 and 289,615,663,823.60 is: 434,423,495,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,615,663,823.60 : 434,423,495,735.40 = 289,615,663,823.60 : x
  2. Step 2: Convert to fraction form
    289,615,663,823.60/434,423,495,735.40 = 289,615,663,823.60/x
  3. Step 3: Cross multiply
    289,615,663,823.60x = 434,423,495,735.40 × 289,615,663,823.60
  4. Step 4: Simplify right side
    289,615,663,823.60x = 125,815,849,097,976,730,353,664
  5. Step 5: Solve for x
    x = 125,815,849,097,976,730,353,664/289,615,663,823.60
  6. Step 6: Final answer
    x = 434,423,495,735.40

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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.