Home / 1,237,157,358.30-1,855,736,037.45-714,139,698.15

Finding the Fourth Proportional to 1,237,157,358.30, 1,855,736,037.45 and 714,139,698.15

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Solution

The fourth proportional to 1,237,157,358.30, 1,855,736,037.45 and 714,139,698.15 is: 1,071,209,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,157,358.30 : 1,855,736,037.45 = 714,139,698.15 : x
  2. Step 2: Convert to fraction form
    1,237,157,358.30/1,855,736,037.45 = 714,139,698.15/x
  3. Step 3: Cross multiply
    1,237,157,358.30x = 1,855,736,037.45 × 714,139,698.15
  4. Step 4: Simplify right side
    1,237,157,358.30x = 1,325,254,773,630,620,160
  5. Step 5: Solve for x
    x = 1,325,254,773,630,620,160/1,237,157,358.30
  6. Step 6: Final answer
    x = 1,071,209,547.23

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Double scale
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Similar ratio
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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.