Home / 1,657,191,856.15-2,486,146,506.90-492,778,053.10

Finding the Fourth Proportional to 1,657,191,856.15, 2,486,146,506.90 and 492,778,053.10

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Solution

The fourth proportional to 1,657,191,856.15, 2,486,146,506.90 and 492,778,053.10 is: 739,273,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,191,856.15 : 2,486,146,506.90 = 492,778,053.10 : x
  2. Step 2: Convert to fraction form
    1,657,191,856.15/2,486,146,506.90 = 492,778,053.10/x
  3. Step 3: Cross multiply
    1,657,191,856.15x = 2,486,146,506.90 × 492,778,053.10
  4. Step 4: Simplify right side
    1,657,191,856.15x = 1,225,118,435,391,547,904
  5. Step 5: Solve for x
    x = 1,225,118,435,391,547,904/1,657,191,856.15
  6. Step 6: Final answer
    x = 739,273,748.45

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Double scale
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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.