Home / 19,196,249,639.10-28,794,374,458.65-9,898,157,903.10

Finding the Fourth Proportional to 19,196,249,639.10, 28,794,374,458.65 and 9,898,157,903.10

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Solution

The fourth proportional to 19,196,249,639.10, 28,794,374,458.65 and 9,898,157,903.10 is: 14,847,236,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196,249,639.10 : 28,794,374,458.65 = 9,898,157,903.10 : x
  2. Step 2: Convert to fraction form
    19,196,249,639.10/28,794,374,458.65 = 9,898,157,903.10/x
  3. Step 3: Cross multiply
    19,196,249,639.10x = 28,794,374,458.65 × 9,898,157,903.10
  4. Step 4: Simplify right side
    19,196,249,639.10x = 285,011,265,112,707,301,376
  5. Step 5: Solve for x
    x = 285,011,265,112,707,301,376/19,196,249,639.10
  6. Step 6: Final answer
    x = 14,847,236,854.65

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Double scale
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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.