Home / 977,186,246.40-1,465,779,369.60-870,047,740.80

Finding the Fourth Proportional to 977,186,246.40, 1,465,779,369.60 and 870,047,740.80

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Solution

The fourth proportional to 977,186,246.40, 1,465,779,369.60 and 870,047,740.80 is: 1,305,071,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,186,246.40 : 1,465,779,369.60 = 870,047,740.80 : x
  2. Step 2: Convert to fraction form
    977,186,246.40/1,465,779,369.60 = 870,047,740.80/x
  3. Step 3: Cross multiply
    977,186,246.40x = 1,465,779,369.60 × 870,047,740.80
  4. Step 4: Simplify right side
    977,186,246.40x = 1,275,298,029,031,728,128
  5. Step 5: Solve for x
    x = 1,275,298,029,031,728,128/977,186,246.40
  6. Step 6: Final answer
    x = 1,305,071,611.20

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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.