Home / 71,406,398,038.40-98,537,870,223.60-38,853,746,093.60

Finding the Fourth Proportional to 71,406,398,038.40, 98,537,870,223.60 and 38,853,746,093.60

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Solution

The fourth proportional to 71,406,398,038.40, 98,537,870,223.60 and 38,853,746,093.60 is: 53,616,559,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,406,398,038.40 : 98,537,870,223.60 = 38,853,746,093.60 : x
  2. Step 2: Convert to fraction form
    71,406,398,038.40/98,537,870,223.60 = 38,853,746,093.60/x
  3. Step 3: Cross multiply
    71,406,398,038.40x = 98,537,870,223.60 × 38,853,746,093.60
  4. Step 4: Simplify right side
    71,406,398,038.40x = 3,828,565,390,271,862,276,096
  5. Step 5: Solve for x
    x = 3,828,565,390,271,862,276,096/71,406,398,038.40
  6. Step 6: Final answer
    x = 53,616,559,516.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.